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pci_emul_dinit(struct vmctx *ctx, struct pci_vdev *dev, char *opts) { int error; struct pci_emul_dummy *dummy; dummy = calloc(1, sizeof(struct pci_emul_dummy)); dev->arg = dummy; pci_set_cfgdata16(dev, PCIR_DEVICE, 0x0001); pci_set_cfgdata16(dev, PCIR_VENDOR, 0x10DD); pci_set_cfgdata8(dev, PCIR_CLASS, 0x02); ...
0
C
CWE-617
Reachable Assertion
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
https://cwe.mitre.org/data/definitions/617.html
vulnerable
static void sas_unregister_devs_sas_addr(struct domain_device *parent, int phy_id, bool last) { struct expander_device *ex_dev = &parent->ex_dev; struct ex_phy *phy = &ex_dev->ex_phy[phy_id]; struct domain_device *child, *n, *found = NULL; if (last) { list_for_each_entry_safe(child, n, &ex_dev->children,...
1
C
NVD-CWE-noinfo
null
null
null
safe
static void iwjpeg_scan_exif_ifd(struct iwjpegrcontext *rctx, struct iw_exif_state *e, iw_uint32 ifd) { unsigned int tag_count; unsigned int i; unsigned int tag_pos; unsigned int tag_id; unsigned int v; double v_dbl; if(ifd<8 || ifd>e->d_len-18) return; tag_count = iw_get_ui16_e(&e->d[ifd],e->endian); if(ta...
0
C
CWE-125
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/125.html
vulnerable
R_API int r_socket_ready(RSocket *s, int secs, int usecs) { fd_set rfds; struct timeval tv = {secs, usecs}; if (s->fd == R_INVALID_SOCKET) { return -1; } FD_ZERO (&rfds); FD_SET (s->fd, &rfds); return select (s->fd + 1, &rfds, NULL, NULL, &tv); }
1
C
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
https://cwe.mitre.org/data/definitions/78.html
safe
PJ_DEF(pj_status_t) pjmedia_rtcp_fb_parse_pli( const void *buf, pj_size_t length) { pjmedia_rtcp_common *hdr = (pjmedia_rtcp_common*) buf; PJ_ASSERT_RETURN(buf, PJ_EINVAL); PJ_ASSERT_RETURN(length >= 12, PJ_ETOOSMALL); /* PLI uses pt==RTCP_PSFB and FMT==1 */ if (hdr->pt != RTCP_PSFB || h...
0
C
CWE-125
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/125.html
vulnerable
static int copy_to_user_auth(struct xfrm_algo_auth *auth, struct sk_buff *skb) { struct xfrm_algo *algo; struct nlattr *nla; nla = nla_reserve(skb, XFRMA_ALG_AUTH, sizeof(*algo) + (auth->alg_key_len + 7) / 8); if (!nla) return -EMSGSIZE; algo = nla_data(nla); strcpy(algo->alg_name, auth->alg_name); memc...
0
C
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
https://cwe.mitre.org/data/definitions/200.html
vulnerable
expand_dynamic_string_token (struct link_map *l, const char *s) { /* We make two runs over the string. First we determine how large the resulting string is and then we copy it over. Since this is now frequently executed operation we are looking here not for performance but rather for code size. */ ...
0
C
CWE-252
Unchecked Return Value
The software does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.
https://cwe.mitre.org/data/definitions/252.html
vulnerable
static int sctp_getsockopt_assoc_stats(struct sock *sk, int len, char __user *optval, int __user *optlen) { struct sctp_assoc_stats sas; struct sctp_association *asoc = NULL; /* User must provide at least the assoc id */ if (len < sizeof(sctp_assoc_t)) return -EINVAL; /* Allow the struct ...
1
C
CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
https://cwe.mitre.org/data/definitions/20.html
safe
SPL_METHOD(SplFileObject, getCsvControl) { spl_filesystem_object *intern = (spl_filesystem_object*)zend_object_store_get_object(getThis() TSRMLS_CC); char delimiter[2], enclosure[2]; array_init(return_value); delimiter[0] = intern->u.file.delimiter; delimiter[1] = '\0'; enclosure[0] = intern->u.file.enclosure;...
0
C
CWE-190
Integer Overflow or Wraparound
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
https://cwe.mitre.org/data/definitions/190.html
vulnerable
static int pop_sync_mailbox (CONTEXT *ctx, int *index_hint) { int i, j, ret = 0; char buf[LONG_STRING]; POP_DATA *pop_data = (POP_DATA *)ctx->data; progress_t progress; #ifdef USE_HCACHE header_cache_t *hc = NULL; #endif pop_data->check_time = 0; FOREVER { if (pop_reconnect (ctx) < 0) return...
0
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
vulnerable
static int jpc_ppm_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) { jpc_ppm_t *ppm = &ms->parms.ppm; /* Eliminate compiler warning about unused variables. */ cstate = 0; if (JAS_CAST(uint, jas_stream_write(out, (char *) ppm->data, ppm->len)) != ppm->len) { return -1; } return 0; }
0
C
CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
https://cwe.mitre.org/data/definitions/20.html
vulnerable
static pfunc check_literal(struct jv_parser* p) { if (p->tokenpos == 0) return 0; const char* pattern = 0; int plen; jv v; switch (p->tokenbuf[0]) { case 't': pattern = "true"; plen = 4; v = jv_true(); break; case 'f': pattern = "false"; plen = 5; v = jv_false(); break; case 'n': pattern = "null"; plen...
0
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
vulnerable
static inline bool unconditional(const struct ip6t_entry *e) { static const struct ip6t_ip6 uncond; return e->target_offset == sizeof(struct ip6t_entry) && memcmp(&e->ipv6, &uncond, sizeof(uncond)) == 0; }
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
check_lnums_both(int do_curwin, int nested) { win_T *wp; tabpage_T *tp; FOR_ALL_TAB_WINDOWS(tp, wp) if ((do_curwin || wp != curwin) && wp->w_buffer == curbuf) { if (!nested) { // save the original cursor position and topline wp->w_save_cursor.w_cursor_save = wp->w_cursor; wp->w_save_curso...
1
C
CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
https://cwe.mitre.org/data/definitions/122.html
safe
check_visual_pos(void) { if (VIsual.lnum > curbuf->b_ml.ml_line_count) { VIsual.lnum = curbuf->b_ml.ml_line_count; VIsual.col = 0; VIsual.coladd = 0; } else { int len = (int)STRLEN(ml_get(VIsual.lnum)); if (VIsual.col > len) { VIsual.col = len; VIsual.coladd = 0; } } }
1
C
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
https://cwe.mitre.org/data/definitions/120.html
safe
static int msg_parse_fetch(struct ImapHeader *h, char *s) { char tmp[SHORT_STRING]; char *ptmp = NULL; if (!s) return -1; while (*s) { SKIPWS(s); if (mutt_str_strncasecmp("FLAGS", s, 5) == 0) { s = msg_parse_flags(h, s); if (!s) return -1; } else if (mutt_str_str...
1
C
CWE-787
Out-of-bounds Write
The software writes data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/787.html
safe
static void *__ns_get_path(struct path *path, struct ns_common *ns) { struct vfsmount *mnt = nsfs_mnt; struct qstr qname = { .name = "", }; struct dentry *dentry; struct inode *inode; unsigned long d; rcu_read_lock(); d = atomic_long_read(&ns->stashed); if (!d) goto slow; dentry = (struct dentry *)d; if (!...
1
C
CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
https://cwe.mitre.org/data/definitions/416.html
safe
table_regex_match(const char *string, const char *pattern) { regex_t preg; int cflags = REG_EXTENDED|REG_NOSUB; int ret; if (strncmp(pattern, "(?i)", 4) == 0) { cflags |= REG_ICASE; pattern += 4; } if (regcomp(&preg, pattern, cflags) != 0) return (0); ret = regexec(&preg, string, 0, NULL, 0); regfree(...
1
C
CWE-401
Missing Release of Memory after Effective Lifetime
The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.
https://cwe.mitre.org/data/definitions/401.html
safe
validate_group(struct perf_event *event) { struct perf_event *sibling, *leader = event->group_leader; struct pmu_hw_events fake_pmu; DECLARE_BITMAP(fake_used_mask, ARMPMU_MAX_HWEVENTS); /* * Initialise the fake PMU. We only need to populate the * used_mask for the purposes of validation. */ memset(fake_used...
1
C
CWE-264
Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
https://cwe.mitre.org/data/definitions/264.html
safe
static inline int check_sticky(struct inode *dir, struct inode *inode) { kuid_t fsuid = current_fsuid(); if (!(dir->i_mode & S_ISVTX)) return 0; if (uid_eq(inode->i_uid, fsuid)) return 0; if (uid_eq(dir->i_uid, fsuid)) return 0; return !capable_wrt_inode_uidgid(inode, CAP_FOWNER); }
1
C
CWE-264
Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
https://cwe.mitre.org/data/definitions/264.html
safe
static int on_header_value( multipart_parser *parser, const char *at, size_t length) { multipart_parser_data_t *data = NULL; ogs_assert(parser); data = multipart_parser_get_data(parser); ogs_assert(data); if (at && length) { SWITCH(data->header_field) CASE(OGS_SBI_CONTENT_T...
0
C
CWE-787
Out-of-bounds Write
The software writes data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/787.html
vulnerable
static void process_tree(struct rev_info *revs, struct tree *tree, show_object_fn show, struct strbuf *base, const char *name, void *cb_data) { struct object *obj = &tree->object; struct tree_desc desc; struct name_entry entry; enum interesting match = revs->diffopt.pathspec.nr == 0 ? all_entr...
0
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
vulnerable
int safe_mount(const char *src, const char *dest, const char *fstype, unsigned long flags, const void *data, const char *rootfs) { int srcfd = -1, destfd, ret, saved_errno; char srcbuf[50], destbuf[50]; // only needs enough for /proc/self/fd/<fd> const char *mntsrc = src; if (!rootfs) rootfs = ""; /* todo - ...
1
C
CWE-59
Improper Link Resolution Before File Access ('Link Following')
The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
https://cwe.mitre.org/data/definitions/59.html
safe
int qeth_snmp_command(struct qeth_card *card, char __user *udata) { struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; struct qeth_snmp_ureq *ureq; unsigned int req_len; struct qeth_arp_query_info qinfo = {0, }; int rc = 0; QETH_CARD_TEXT(card, 3, "snmpcmd"); if (card->info.guestlan) return -EOPNOTSUPP;...
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
static int mp_get_count(struct sb_uart_state *state, struct serial_icounter_struct *icnt) { struct serial_icounter_struct icount = {}; struct sb_uart_icount cnow; struct sb_uart_port *port = state->port; spin_lock_irq(&port->lock); memcpy(&cnow, &port->icount, sizeof(struct sb_uart_icount)); spin_unlock_irq(&por...
1
C
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
https://cwe.mitre.org/data/definitions/200.html
safe
PUBLIC cchar *mprReadJson(MprJson *obj, cchar *name) { MprJson *item; if ((item = mprReadJsonObj(obj, name)) != 0 && item->type & MPR_JSON_VALUE) { return item->value; } return 0; }
1
C
NVD-CWE-Other
Other
NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset.
https://nvd.nist.gov/vuln/categories
safe
cpStripToTile(uint8* out, uint8* in, uint32 rows, uint32 cols, int outskew, int inskew) { while (rows-- > 0) { uint32 j = cols; while (j-- > 0) *out++ = *in++; out += outskew; in += inskew; } }
0
C
CWE-190
Integer Overflow or Wraparound
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
https://cwe.mitre.org/data/definitions/190.html
vulnerable
processInternalEntity(XML_Parser parser, ENTITY *entity, XML_Bool betweenDecl) { const char *textStart, *textEnd; const char *next; enum XML_Error result; OPEN_INTERNAL_ENTITY *openEntity; if (parser->m_freeInternalEntities) { openEntity = parser->m_freeInternalEntities; parser->m_freeInternalEntitie...
0
C
CWE-776
Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
The software uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities.
https://cwe.mitre.org/data/definitions/776.html
vulnerable
static int list_locations(struct kmem_cache *s, char *buf, enum track_item alloc) { int len = 0; unsigned long i; struct loc_track t = { 0, 0, NULL }; int node; if (!alloc_loc_track(&t, PAGE_SIZE / sizeof(struct location), GFP_TEMPORARY)) return sprintf(buf, "Out of memory\n"); /* Push back cpu slabs ...
1
C
CWE-189
Numeric Errors
Weaknesses in this category are related to improper calculation or conversion of numbers.
https://cwe.mitre.org/data/definitions/189.html
safe
static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t len, int noblock, int flags, int *addr_len) { struct ipv6_pinfo *np = inet6_sk(sk); struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)msg->msg_name; struct sk_buff *skb; size_t copied; int err; if (flags & MSG_OOB) ...
0
C
CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
https://cwe.mitre.org/data/definitions/20.html
vulnerable
static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct perf_event *event = file->private_data; struct perf_event_context *ctx; long ret; ctx = perf_event_ctx_lock(event); ret = _perf_ioctl(event, cmd, arg); perf_event_ctx_unlock(event, ctx); return ret; }
1
C
CWE-264
Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
https://cwe.mitre.org/data/definitions/264.html
safe
int page_name_is_good(char* page_name) { /* We should give access only to subdirs of didiwiki root. I guess that check for absense of '/' is enough. TODO: Use realpath() */ if (!page_name) return FALSE; if (!isalnum(page[0])) return FALSE; if (strstr(page, "..")) return FALS...
1
C
CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of t...
https://cwe.mitre.org/data/definitions/22.html
safe
DefragReverseSimpleTest(void) { Packet *p1 = NULL, *p2 = NULL, *p3 = NULL; Packet *reassembled = NULL; int id = 12; int i; int ret = 0; DefragInit(); p1 = BuildTestPacket(IPPROTO_ICMP, id, 0, 1, 'A', 8); if (p1 == NULL) goto end; p2 = BuildTestPacket(IPPROTO_ICMP, id, 1, 1,...
1
C
CWE-358
Improperly Implemented Security Check for Standard
The software does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique.
https://cwe.mitre.org/data/definitions/358.html
safe
BOOL nsc_encode(NSC_CONTEXT* context, const BYTE* bmpdata, UINT32 rowstride) { if (!context || !bmpdata || (rowstride == 0)) return FALSE; if (!nsc_encode_argb_to_aycocg(context, bmpdata, rowstride)) return FALSE; if (context->ChromaSubsamplingLevel) { if (!nsc_encode_subsampling(context)) return FALSE; ...
1
C
CWE-787
Out-of-bounds Write
The software writes data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/787.html
safe
count_new_keys(int n_key_data, krb5_key_data *key_data) { int n; for (n = 1; n < n_key_data; n++) { if (key_data[n - 1].key_data_kvno != key_data[n].key_data_kvno) return n; } return n_key_data; }
1
C
CWE-255
Credentials Management Errors
Weaknesses in this category are related to the management of credentials.
https://cwe.mitre.org/data/definitions/255.html
safe
static int jas_iccgetuint(jas_stream_t *in, int n, ulonglong *val) { int i; int c; ulonglong v; v = 0; for (i = n; i > 0; --i) { if ((c = jas_stream_getc(in)) == EOF) return -1; v = (v << 8) | c; } *val = v; return 0; }
0
C
CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
https://cwe.mitre.org/data/definitions/20.html
vulnerable
static const char *cmd_hash_engine(cmd_parms *cmd, void *_dcfg, const char *p1) { directory_config *dcfg = (directory_config *)_dcfg; if (dcfg == NULL) return NULL; if (strcasecmp(p1, "on") == 0) { dcfg->hash_is_enabled = HASH_ENABLED; dcfg->hash_enforcement = HASH_ENABLED; } else ...
1
C
CWE-611
Improper Restriction of XML External Entity Reference
The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
https://cwe.mitre.org/data/definitions/611.html
safe
static int asymmetric_key_match_preparse(struct key_match_data *match_data) { match_data->lookup_type = KEYRING_SEARCH_LOOKUP_ITERATE; match_data->cmp = asymmetric_key_cmp; return 0; }
1
C
CWE-476
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
https://cwe.mitre.org/data/definitions/476.html
safe
int mif_validate(jas_stream_t *in) { uchar buf[MIF_MAGICLEN]; uint_fast32_t magic; int i; int n; assert(JAS_STREAM_MAXPUTBACK >= MIF_MAGICLEN); /* Read the validation data (i.e., the data used for detecting the format). */ if ((n = jas_stream_read(in, buf, MIF_MAGICLEN)) < 0) { return -1; } /* Put the ...
0
C
CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
https://cwe.mitre.org/data/definitions/20.html
vulnerable
static void ikev2_parent_outI1_continue(struct pluto_crypto_req_cont *pcrc, struct pluto_crypto_req *r, err_t ugh) { struct ke_continuation *ke = (struct ke_continuation *)pcrc; struct msg_digest *md = ke->md; struct state *const st = md->st; stf_status e; DBG(DBG_CONTROLMORE, DBG_log("ikev2 parent...
0
C
CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
https://cwe.mitre.org/data/definitions/20.html
vulnerable
static int parse_token(char **name, char **value, char **cp) { char *end; if (!name || !value || !cp) return -BLKID_ERR_PARAM; if (!(*value = strchr(*cp, '='))) return 0; **value = '\0'; *name = strip_line(*cp); *value = skip_over_blank(*value + 1); if (**value == '"') { end = strchr(*value + 1, '"'); ...
0
C
CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
https://cwe.mitre.org/data/definitions/77.html
vulnerable
parse_key_constraint_extension(struct sshbuf *m, char **sk_providerp) { char *ext_name = NULL; int r; if ((r = sshbuf_get_cstring(m, &ext_name, NULL)) != 0) { error_fr(r, "parse constraint extension"); goto out; } debug_f("constraint ext %s", ext_name); if (strcmp(ext_name, "sk-provider@openssh.com") == 0) {...
1
C
CWE-415
Double Free
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
https://cwe.mitre.org/data/definitions/415.html
safe
ExprResolveBoolean(struct xkb_context *ctx, const ExprDef *expr, bool *set_rtrn) { bool ok = false; const char *ident; switch (expr->expr.op) { case EXPR_VALUE: if (expr->expr.value_type != EXPR_TYPE_BOOLEAN) { log_err(ctx, "Found constant of t...
1
C
CWE-400
Uncontrolled Resource Consumption
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
https://cwe.mitre.org/data/definitions/400.html
safe
hb_set_union (hb_set_t *set, const hb_set_t *other) { /* Immutible-safe. */ set->union_ (*other); }
1
C
CWE-787
Out-of-bounds Write
The software writes data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/787.html
safe
int bson_check_string( bson *b, const char *string, const int length ) { return bson_validate_string( b, ( const unsigned char * )string, length, 1, 0, 0 ); }
0
C
CWE-190
Integer Overflow or Wraparound
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
https://cwe.mitre.org/data/definitions/190.html
vulnerable
static void sample_hbp_handler(struct perf_event *bp, struct perf_sample_data *data, struct pt_regs *regs) { printk(KERN_INFO "%s value is changed\n", ksym_name); dump_stack(); printk(KERN_INFO "Dump stack from sample_hbp_handler\n"); }
1
C
CWE-400
Uncontrolled Resource Consumption
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
https://cwe.mitre.org/data/definitions/400.html
safe
static unsigned int unix_dgram_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk, *other; unsigned int mask, writable; sock_poll_wait(file, sk_sleep(sk), wait); mask = 0; /* exceptional events? */ if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) mask |...
1
C
NVD-CWE-Other
Other
NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset.
https://nvd.nist.gov/vuln/categories
safe
nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd) { struct path path = { .mnt = nd->path.mnt, .dentry = dentry, }; struct dentry *parent; struct iattr attr; struct rpc_cred *cred; struct nfs4_state *state; struct dentry *res; fmode_t fmode = nd->intent.open.flags & (FMODE_READ...
1
C
NVD-CWE-noinfo
null
null
null
safe
static VTermScreen *screen_new(VTerm *vt) { VTermState *state = vterm_obtain_state(vt); VTermScreen *screen; int rows, cols; if(!state) return NULL; screen = vterm_allocator_malloc(vt, sizeof(VTermScreen)); vterm_get_size(vt, &rows, &cols); screen->vt = vt; screen->state = state; screen->dama...
0
C
CWE-476
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
https://cwe.mitre.org/data/definitions/476.html
vulnerable
PJ_DEF(pj_status_t) pjmedia_rtcp_fb_build_nack( pjmedia_rtcp_session *session, void *buf, pj_size_t *length, unsigned nack_cnt, const pjmedia_rtcp_fb_nack nack[]) { pjmedia_rtcp_common *hdr; pj_uint8_t *p; unsigned len, i; PJ_ASSERT_RETURN(session && buf && length && nack_cnt &...
0
C
CWE-787
Out-of-bounds Write
The software writes data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/787.html
vulnerable
R_API int r_socket_ready(RSocket *s, int secs, int usecs) { #if __UNIX__ //int msecs = (1000 * secs) + (usecs / 1000); int msecs = (usecs / 1000); struct pollfd fds[1]; fds[0].fd = s->fd; fds[0].events = POLLIN | POLLPRI; fds[0].revents = POLLNVAL | POLLHUP | POLLERR; return poll ((struct pollfd *)&fds, 1, msecs...
0
C
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
https://cwe.mitre.org/data/definitions/78.html
vulnerable
static int clone_binary(void) { int binfd, memfd; ssize_t sent = 0; #ifdef HAVE_MEMFD_CREATE memfd = memfd_create(RUNC_MEMFD_COMMENT, MFD_CLOEXEC | MFD_ALLOW_SEALING); #else memfd = open("/tmp", O_TMPFILE | O_EXCL | O_RDWR | O_CLOEXEC, 0711); #endif if (memfd < 0) return -ENOTRECOVERABLE; binfd = open("/proc/...
1
C
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
https://cwe.mitre.org/data/definitions/78.html
safe
check_entry_size_and_hooks(struct ipt_entry *e, struct xt_table_info *newinfo, const unsigned char *base, const unsigned char *limit, const unsigned int *hook_entries, const unsigned int *underflows, unsigned int valid_hooks) { unsigned int h; int err; if ((unsigned long)e % __al...
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
efind(name) char *name; { static char efbuf[100]; my_regex_t re; sprintf(efbuf, "REG_%s", name); assert(strlen(efbuf) < sizeof(efbuf)); re.re_endp = efbuf; (void) my_regerror(REG_ATOI, &re, efbuf, sizeof(efbuf)); return(atoi(efbuf)); }
0
C
NVD-CWE-noinfo
null
null
null
vulnerable
static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid) { struct sem_array *sma; struct sem_undo_list *ulp; struct sem_undo *un, *new; int nsems; int error; error = get_undo_list(&ulp); if (error) return ERR_PTR(error); rcu_read_lock(); spin_lock(&ulp->lock); un = lookup_undo(ulp, sem...
0
C
CWE-189
Numeric Errors
Weaknesses in this category are related to improper calculation or conversion of numbers.
https://cwe.mitre.org/data/definitions/189.html
vulnerable
static long madvise_willneed(struct vm_area_struct *vma, struct vm_area_struct **prev, unsigned long start, unsigned long end) { struct file *file = vma->vm_file; #ifdef CONFIG_SWAP if (!file) { *prev = vma; force_swapin_readahead(vma, start, end); return 0; } if (shmem_mapping(file->f_mappi...
0
C
CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
https://cwe.mitre.org/data/definitions/835.html
vulnerable
static int getSingletonPos(const char* str) { int result =-1; int i=0; int len = 0; if( str && ((len=strlen(str))>0) ){ for( i=0; i<len ; i++){ if( isIDSeparator(*(str+i)) ){ if( i==1){ /* string is of the form x-avy or a-prv1 */ result =0; break; } else { /* delimiter found; check...
1
C
CWE-125
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/125.html
safe
static int futex_wait(u32 __user *uaddr, int fshared, u32 val, ktime_t *abs_time, u32 bitset, int clockrt) { struct hrtimer_sleeper timeout, *to = NULL; struct restart_block *restart; struct futex_hash_bucket *hb; struct futex_q q; int ret; if (!bitset) return -EINVAL; q.pi_state = NULL; q.bitset = ...
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
struct bpf_prog *bpf_prog_get(u32 ufd) { struct fd f = fdget(ufd); struct bpf_prog *prog; prog = __bpf_prog_get(f); if (IS_ERR(prog)) return prog; atomic_inc(&prog->aux->refcnt); fdput(f); return prog; }
0
C
NVD-CWE-Other
Other
NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset.
https://nvd.nist.gov/vuln/categories
vulnerable
static int getnum (const char **fmt, int df) { if (!isdigit(**fmt)) /* no number? */ return df; /* return default value */ else { int a = 0; do { a = a*10 + *((*fmt)++) - '0'; } while (isdigit(**fmt)); return a; } }
0
C
CWE-190
Integer Overflow or Wraparound
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
https://cwe.mitre.org/data/definitions/190.html
vulnerable
static inline int add_post_vars(zval *arr, post_var_data_t *vars, zend_bool eof TSRMLS_DC) { uint64_t max_vars = PG(max_input_vars); vars->ptr = vars->str.c; vars->end = vars->str.c + vars->str.len; while (add_post_var(arr, vars, eof TSRMLS_CC)) { if (++vars->cnt > max_vars) { php_error_docref(NULL TSRMLS_CC,...
1
C
CWE-400
Uncontrolled Resource Consumption
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
https://cwe.mitre.org/data/definitions/400.html
safe
GetOutboundPinholeTimeout(struct upnphttp * h, const char * action, const char * ns) { int r; static const char resp[] = "<u:%sResponse " "xmlns:u=\"%s\">" "<OutboundPinholeTimeout>%d</OutboundPinholeTimeout>" "</u:%sResponse>"; char body[512]; int bodylen; struct NameValueParserData data; char * int_ip...
1
C
CWE-476
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
https://cwe.mitre.org/data/definitions/476.html
safe
static inline ut8 r_read_ble8(const void *src) { if (!src) { return UT8_MAX; } return *(ut8 *)src; }
1
C
CWE-476
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
https://cwe.mitre.org/data/definitions/476.html
safe
int vis_emul(struct pt_regs *regs, unsigned int insn) { unsigned long pc = regs->tpc; unsigned int opf; BUG_ON(regs->tstate & TSTATE_PRIV); perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0); if (test_thread_flag(TIF_32BIT)) pc = (u32)pc; if (get_user(insn, (u32 __user *) pc)) return -EFAULT; ...
0
C
CWE-400
Uncontrolled Resource Consumption
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
https://cwe.mitre.org/data/definitions/400.html
vulnerable
spnego_gss_wrap( OM_uint32 *minor_status, gss_ctx_id_t context_handle, int conf_req_flag, gss_qop_t qop_req, gss_buffer_t input_message_buffer, int *conf_state, gss_buffer_t output_message_buffer) { OM_uint32 ret; ret = gss_wrap(minor_status, context_handle, conf_req_flag, qop_req, ...
0
C
CWE-763
Release of Invalid Pointer or Reference
The application attempts to return a memory resource to the system, but calls the wrong release function or calls the appropriate release function incorrectly.
https://cwe.mitre.org/data/definitions/763.html
vulnerable
static int iwl_process_add_sta_resp(struct iwl_priv *priv, struct iwl_addsta_cmd *addsta, struct iwl_rx_packet *pkt) { u8 sta_id = addsta->sta.sta_id; unsigned long flags; int ret = -EIO; if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n", pkt->...
0
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
vulnerable
isoclns_print(netdissect_options *ndo, const uint8_t *p, u_int length) { if (!ND_TTEST(*p)) { /* enough bytes on the wire ? */ ND_PRINT((ndo, "|OSI")); return; } if (ndo->ndo_eflag) ND_PRINT((ndo, "OSI NLPID %s (0x%02x): ", tok2str(nlpid_values, "Unknown", *p), *p)); switch (*p) { case NLPID_CLNP: if (!...
1
C
CWE-125
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/125.html
safe
initialise_banding(fz_context *ctx, render_details *render, int color) { size_t min_band_mem; int bpp, h, w, reps; render->colorspace = output_cs; render->format = output_format; #if GREY_FALLBACK != 0 if (color == 0) { if (render->colorspace == CS_RGB) { /* Fallback from PPM to PGM */ render->colorspa...
0
C
NVD-CWE-noinfo
null
null
null
vulnerable
uint32_t mt_random (mtrand *mt) { uint32_t y; unsigned long mag01[2]; mag01[0] = 0; mag01[1] = MATRIX_A; if (mt->mt_index_ >= MT_LEN) { int kk; for (kk = 0; kk < MT_LEN - MT_IA; kk++) { y = (mt->mt_buffer_[kk] & UPPER_MASK) | (mt->mt_buffer_[kk + 1] & LOWER_MASK); mt->mt_buffer_[kk] = m...
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
decode_sequence_of(const uint8_t *asn1, size_t len, const struct atype_info *elemtype, void **seq_out, size_t *count_out) { krb5_error_code ret; void *seq = NULL, *elem, *newseq; const uint8_t *contents; size_t clen, count = 0; taginfo t; *seq_out = NULL; ...
1
C
CWE-674
Uncontrolled Recursion
The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.
https://cwe.mitre.org/data/definitions/674.html
safe
PHP_FUNCTION(curl_escape) { char *str = NULL, *res = NULL; size_t str_len = 0; zval *zid; php_curl *ch; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &zid, &str, &str_len) == FAILURE) { return; } if ((ch = (php_curl*)zend_fetch_resource(Z_RES_P(zid), le_curl_name, le_curl)) == NULL) { ...
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
static int target_xcopy_locate_se_dev_e4(const unsigned char *dev_wwn, struct se_device **found_dev) { struct xcopy_dev_search_info info; int ret; memset(&info, 0, sizeof(info)); info.dev_wwn = dev_wwn; ret = target_for_each_device(target_xcopy_locate_se_dev_e4_iter, &info); if (ret == 1) { *found_dev = ...
0
C
CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of t...
https://cwe.mitre.org/data/definitions/22.html
vulnerable
Jsi_RC Jsi_RegExpMatch(Jsi_Interp *interp, Jsi_Value *pattern, const char *v, int *rc, Jsi_DString *dStr) { Jsi_Regex *re; int regexec_flags = 0; if (rc) *rc = 0; if (pattern == NULL || pattern->vt != JSI_VT_OBJECT || pattern->d.obj->ot != JSI_OT_REGEXP) return Jsi_LogError("expected pa...
0
C
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
https://cwe.mitre.org/data/definitions/120.html
vulnerable
header_put_le_int (SF_PRIVATE *psf, int x) { psf->header.ptr [psf->header.indx++] = x ; psf->header.ptr [psf->header.indx++] = (x >> 8) ; psf->header.ptr [psf->header.indx++] = (x >> 16) ; psf->header.ptr [psf->header.indx++] = (x >> 24) ; } /* header_put_le_int */
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
int snd_ctl_replace(struct snd_card *card, struct snd_kcontrol *kcontrol, bool add_on_replace) { struct snd_ctl_elem_id id; unsigned int idx; struct snd_kcontrol *old; int ret; if (!kcontrol) return -EINVAL; if (snd_BUG_ON(!card || !kcontrol->info)) { ret = -EINVAL; goto error; } id = kcontrol->id;...
0
C
CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
https://cwe.mitre.org/data/definitions/416.html
vulnerable
int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, struct sockaddr_storage *kern_address, int mode) { int tot_len; if (kern_msg->msg_namelen) { if (mode == VERIFY_READ) { int err = move_addr_to_kernel(kern_msg->msg_name, kern_msg->msg_namelen, kern_address); ...
0
C
CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
https://cwe.mitre.org/data/definitions/20.html
vulnerable
static int get_exif_tag_int_value(struct iw_exif_state *e, unsigned int tag_pos, unsigned int *pv) { unsigned int field_type; unsigned int value_count; field_type = get_exif_ui16(e, tag_pos+2); value_count = get_exif_ui32(e, tag_pos+4); if(value_count!=1) return 0; if(field_type==3) { // SHORT (uint16) *pv ...
1
C
CWE-125
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/125.html
safe
evtchn_port_t evtchn_from_irq(unsigned irq) { const struct irq_info *info = NULL; if (likely(irq < nr_irqs)) info = info_for_irq(irq); if (!info) return 0; return info->evtchn; }
1
C
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
https://cwe.mitre.org/data/definitions/362.html
safe
static void free_clt(struct rtrs_clt_sess *clt) { free_permits(clt); free_percpu(clt->pcpu_path); /* * release callback will free clt and destroy mutexes in last put */ device_unregister(&clt->dev); }
1
C
CWE-415
Double Free
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
https://cwe.mitre.org/data/definitions/415.html
safe
static BOOL nsc_encode_sse2(NSC_CONTEXT* context, const BYTE* data, UINT32 scanline) { nsc_encode_argb_to_aycocg_sse2(context, data, scanline); if (context->ChromaSubsamplingLevel > 0) { nsc_encode_subsampling_sse2(context); } return TRUE; }
1
C
CWE-787
Out-of-bounds Write
The software writes data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/787.html
safe
read_subpkt(cdk_stream_t inp, cdk_subpkt_t * r_ctx, size_t * r_nbytes) { int c, c1; size_t size, nread, n; cdk_subpkt_t node; cdk_error_t rc; if (!inp || !r_nbytes) return CDK_Inv_Value; if (DEBUG_PKT) _gnutls_write_log("read_subpkt:\n"); n = 0; *r_nbytes = 0; c = cdk_stream_getc(inp); n++; if (c == ...
1
C
CWE-125
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/125.html
safe
static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t len, int noblock, int flags, int *addr_len) { size_t copied = 0; int err = -EOPNOTSUPP; struct sk_buff *skb; struct sockaddr_ieee802154 *saddr; saddr = (struct sockaddr_ieee802154 *)msg->msg_name; skb = skb_recv_datagra...
1
C
CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
https://cwe.mitre.org/data/definitions/20.html
safe
static inline int mb2_cache_entry_put(struct mb2_cache *cache, struct mb2_cache_entry *entry) { if (!atomic_dec_and_test(&entry->e_refcnt)) return 0; __mb2_cache_entry_free(entry); return 1; }
1
C
CWE-19
Data Processing Errors
Weaknesses in this category are typically found in functionality that processes data. Data processing is the manipulation of input to retrieve or save information.
https://cwe.mitre.org/data/definitions/19.html
safe
MONGO_EXPORT bson_bool_t mongo_cmd_authenticate( mongo *conn, const char *db, const char *user, const char *pass ) { bson from_db; bson cmd; const char *nonce; int result; mongo_md5_state_t st; mongo_md5_byte_t digest[16]; char hex_digest[33]; if( mongo_simple_int_command( conn, db, "g...
0
C
CWE-190
Integer Overflow or Wraparound
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
https://cwe.mitre.org/data/definitions/190.html
vulnerable
init_ctx_new(OM_uint32 *minor_status, spnego_gss_cred_id_t spcred, gss_ctx_id_t *ctx, send_token_flag *tokflag) { OM_uint32 ret; spnego_gss_ctx_id_t sc = NULL; sc = create_spnego_ctx(); if (sc == NULL) return GSS_S_FAILURE; /* determine negotiation mech set */ ret = get_negotiable_mechs(mino...
0
C
CWE-763
Release of Invalid Pointer or Reference
The application attempts to return a memory resource to the system, but calls the wrong release function or calls the appropriate release function incorrectly.
https://cwe.mitre.org/data/definitions/763.html
vulnerable
int compat_get_timex(struct timex *txc, const struct compat_timex __user *utp) { struct compat_timex tx32; memset(txc, 0, sizeof(struct timex)); if (copy_from_user(&tx32, utp, sizeof(struct compat_timex))) return -EFAULT; txc->modes = tx32.modes; txc->offset = tx32.offset; txc->freq = tx32.freq; txc->maxerro...
1
C
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
https://cwe.mitre.org/data/definitions/200.html
safe
static inline long object_common1(UNSERIALIZE_PARAMETER, zend_class_entry *ce) { long elements; if( *p >= max - 2) { zend_error(E_WARNING, "Bad unserialize data"); return -1; } elements = parse_iv2((*p) + 2, p); (*p) += 2; if (ce->serialize == NULL) { object_init_ex(*rval, ce); } else { /* If this cl...
1
C
CWE-125
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/125.html
safe
SIZED_STRING* sized_string_dup( SIZED_STRING* s) { SIZED_STRING* result = (SIZED_STRING*) yr_malloc( sizeof(SIZED_STRING) + s->length); if (result == NULL) return NULL; result->length = s->length; result->flags = s->flags; strncpy(result->c_string, s->c_string, s->length + 1); return resul...
1
C
CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
https://cwe.mitre.org/data/definitions/416.html
safe
PHP_FUNCTION(curl_unescape) { char *str = NULL, *out = NULL; size_t str_len = 0; int out_len; zval *zid; php_curl *ch; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &zid, &str, &str_len) == FAILURE) { return; } if ((ch = (php_curl*)zend_fetch_resource(Z_RES_P(zid), le_curl_name, ...
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
void Huff_Compress(msg_t *mbuf, int offset) { int i, ch, size; byte seq[65536]; byte* buffer; huff_t huff; size = mbuf->cursize - offset; buffer = mbuf->data+ + offset; if (size<=0) { return; } Com_Memset(&huff, 0, sizeof(huff_t)); // Add the NYT (not yet transmitted) node into the tree/list */ huf...
1
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
safe
static int usb_enumerate_device_otg(struct usb_device *udev) { int err = 0; #ifdef CONFIG_USB_OTG /* * OTG-aware devices on OTG-capable root hubs may be able to use SRP, * to wake us after we've powered off VBUS; and HNP, switching roles * "host" to "peripheral". The OTG descriptor helps figure this out. */...
1
C
CWE-400
Uncontrolled Resource Consumption
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
https://cwe.mitre.org/data/definitions/400.html
safe
ImagingPcxDecode(Imaging im, ImagingCodecState state, UINT8* buf, Py_ssize_t bytes) { UINT8 n; UINT8* ptr; if (strcmp(im->mode, "1") == 0 && state->xsize > state->bytes * 8) { state->errcode = IMAGING_CODEC_OVERRUN; return -1; } else if (strcmp(im->mode, "P") == 0 && state->xsize > stat...
0
C
CWE-125
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/125.html
vulnerable
R_API void r_anal_bb_free(RAnalBlock *bb) { if (!bb) { return; } r_anal_cond_free (bb->cond); R_FREE (bb->fingerprint); r_anal_diff_free (bb->diff); bb->diff = NULL; R_FREE (bb->op_bytes); r_anal_switch_op_free (bb->switch_op); bb->switch_op = NULL; bb->fingerprint = NULL; bb->cond = NULL; R_FREE (bb->lab...
0
C
CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
https://cwe.mitre.org/data/definitions/416.html
vulnerable
static int do_io_accounting(struct task_struct *task, char *buffer, int whole) { struct task_io_accounting acct = task->ioac; unsigned long flags; if (!ptrace_may_access(task, PTRACE_MODE_READ)) return -EACCES; if (whole && lock_task_sighand(task, &flags)) { struct task_struct *t = task; task_io_accounting...
1
C
CWE-264
Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
https://cwe.mitre.org/data/definitions/264.html
safe
INST_HANDLER (cpse) { // CPSE Rd, Rr int r = (buf[0] & 0xf) | ((buf[1] & 0x2) << 3); int d = ((buf[0] >> 4) & 0xf) | ((buf[1] & 0x1) << 4); RAnalOp next_op; // calculate next instruction size (call recursively avr_op_analyze) // and free next_op's esil string (we dont need it now) avr_op_analyze (anal, &next_...
0
C
CWE-908
Use of Uninitialized Resource
The software uses or accesses a resource that has not been initialized.
https://cwe.mitre.org/data/definitions/908.html
vulnerable
static int l2cap_parse_conf_rsp(struct sock *sk, void *rsp, int len, void *data, u16 *result) { struct l2cap_pinfo *pi = l2cap_pi(sk); struct l2cap_conf_req *req = data; void *ptr = req->data; int type, olen; unsigned long val; struct l2cap_conf_rfc rfc; BT_DBG("sk %p, rsp %p, len %d, req %p", sk, rsp, len, dat...
1
C
CWE-787
Out-of-bounds Write
The software writes data past the end, or before the beginning, of the intended buffer.
https://cwe.mitre.org/data/definitions/787.html
safe
static int intel_pmu_drain_bts_buffer(void) { struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); struct debug_store *ds = cpuc->ds; struct bts_record { u64 from; u64 to; u64 flags; }; struct perf_event *event = cpuc->events[X86_PMC_IDX_FIXED_BTS]; struct bts_record *at, *top; struct perf_output_ha...
0
C
CWE-400
Uncontrolled Resource Consumption
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
https://cwe.mitre.org/data/definitions/400.html
vulnerable
mm_answer_pam_free_ctx(int sock, Buffer *m) { int r = sshpam_authok != NULL && sshpam_authok == sshpam_ctxt; debug3("%s", __func__); (sshpam_device.free_ctx)(sshpam_ctxt); sshpam_ctxt = sshpam_authok = NULL; buffer_clear(m); mm_request_send(sock, MONITOR_ANS_PAM_FREE_CTX, m); auth_method = "keyboard-interactive...
1
C
CWE-264
Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
https://cwe.mitre.org/data/definitions/264.html
safe
static struct desc_struct *get_desc(unsigned short sel) { struct desc_ptr gdt_desc = {0, 0}; unsigned long desc_base; #ifdef CONFIG_MODIFY_LDT_SYSCALL if ((sel & SEGMENT_TI_MASK) == SEGMENT_LDT) { struct desc_struct *desc = NULL; struct ldt_struct *ldt; /* Bits [15:3] contain the index of the desired entry. ...
0
C
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
https://cwe.mitre.org/data/definitions/362.html
vulnerable
void Huff_transmit (huff_t *huff, int ch, byte *fout) { int i; if (huff->loc[ch] == NULL) { /* node_t hasn't been transmitted, send a NYT, then the symbol */ Huff_transmit(huff, NYT, fout); for (i = 7; i >= 0; i--) { add_bit((char)((ch >> i) & 0x1), fout); } } else { send(huff->loc[ch], NULL, fout); }...
0
C
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
https://cwe.mitre.org/data/definitions/119.html
vulnerable