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_public_ int sd_bus_enqeue_for_read(sd_bus *bus, sd_bus_message *m) { int r; assert_return(bus, -EINVAL); assert_return(bus = bus_resolve(bus), -ENOPKG); assert_return(m, -EINVAL); assert_return(m->sealed, -EINVAL); assert_return(!bus_pid_changed(bus), -ECHILD); ...
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
int btrfs_add_link(struct btrfs_trans_handle *trans, struct inode *parent_inode, struct inode *inode, const char *name, int name_len, int add_backref, u64 index) { int ret = 0; struct btrfs_key key; struct btrfs_root *root = BTRFS_I(parent_inode)->root; u64 ino = btrfs_ino(inode); u64 parent_ino = btrfs_...
1
C
CWE-310
Cryptographic Issues
Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not address...
https://cwe.mitre.org/data/definitions/310.html
safe
static void show_object(struct object *object, struct strbuf *path, const char *last, void *data) { struct bitmap *base = data; bitmap_set(base, find_object_pos(object->oid.hash)); mark_as_seen(object); }
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
ast_for_with_stmt(struct compiling *c, const node *n0, bool is_async) { const node * const n = is_async ? CHILD(n0, 1) : n0; int i, n_items, end_lineno, end_col_offset; asdl_seq *items, *body; REQ(n, with_stmt); n_items = (NCH(n) - 2) / 2; items = _Py_asdl_seq_new(n_items, c->c_arena); if ...
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 inline int ip6_ufo_append_data(struct sock *sk, int getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb), void *from, int length, int hh_len, int fragheaderlen, int transhdrlen, int mtu,unsigned int flags, struct rt6_info *rt) { struct sk_buff *skb; int err; /* The...
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 user_update(struct key *key, struct key_preparsed_payload *prep) { struct user_key_payload *zap = NULL; int ret; /* check the quota and attach the new data */ ret = key_payload_reserve(key, prep->datalen); if (ret < 0) return ret; /* attach the new data, displacing the old */ key->expiry = prep->expiry; ...
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 snd_timer_check_master(struct snd_timer_instance *master) { struct snd_timer_instance *slave, *tmp; /* check all pending slaves */ list_for_each_entry_safe(slave, tmp, &snd_timer_slave_list, open_list) { if (slave->slave_class == master->slave_class && slave->slave_id == master->slave_id) { l...
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
fname_match( regmatch_T *rmp, char_u *name, int ignore_case) // when TRUE ignore case, when FALSE use 'fic' { char_u *match = NULL; char_u *p; if (name != NULL) { // Ignore case when 'fileignorecase' or the argument is set. rmp->rm_ic = p_fic || ignore_case; if (vim_regexec(rmp, name, ...
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
static struct port_buffer *get_inbuf(struct port *port) { struct port_buffer *buf; unsigned int len; if (port->inbuf) return port->inbuf; buf = virtqueue_get_buf(port->in_vq, &len); if (buf) { buf->len = min_t(size_t, len, buf->size); buf->offset = 0; port->stats.bytes_received += len; } return buf; }
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 unsigned long get_seg_limit(struct pt_regs *regs, int seg_reg_idx) { struct desc_struct *desc; unsigned long limit; short sel; sel = get_segment_selector(regs, seg_reg_idx); if (sel < 0) return 0; if (user_64bit_mode(regs) || v8086_mode(regs)) return -1L; if (!sel) return 0; desc = get_desc(sel...
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
long do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, siginfo_t *info) { /* This is only valid for single tasks */ if (pid <= 0 || tgid <= 0) return -EINVAL; /* Not even root can pretend to send signals from the kernel. Nor can they impersonate a kill(), which adds source info. */ if (info->si_code >= 0...
0
C
NVD-CWE-noinfo
null
null
null
vulnerable
SYSCALL_DEFINE2(osf_getdomainname, char __user *, name, int, namelen) { unsigned len; int i; if (!access_ok(VERIFY_WRITE, name, namelen)) return -EFAULT; len = namelen; if (namelen > 32) len = 32; down_read(&uts_sem); for (i = 0; i < len; ++i) { __put_user(utsname()->domainname[i], name + i); if (utsn...
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
void trustedGetPublicEcdsaKeyAES(int *errStatus, char *errString, uint8_t *encryptedPrivateKey, uint32_t enc_len, char *pub_key_x, char *pub_key_y) { LOG_DEBUG(__FUNCTION__); INIT_ERROR_STATE SAFE_CHAR_BUF(skey, ECDSA_SKEY_LEN); mpz_t privateKeyMpz; mpz_init(privat...
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
void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) { struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_local *local = sdata->local; struct sk_buff_head pending; int filtered = 0, buffered = 0, ac; unsigned long flags; clear_sta_flag(sta, WLAN_STA_SP); BUILD_BUG_ON(BITS_TO_LONGS(IEEE802...
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
mcs_parse_domain_params(STREAM s) { int length; ber_parse_header(s, MCS_TAG_DOMAIN_PARAMS, &length); in_uint8s(s, length); return s_check(s); }
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
count_comp_fors(struct compiling *c, const node *n) { int n_fors = 0; int is_async; count_comp_for: is_async = 0; n_fors++; REQ(n, comp_for); if (TYPE(CHILD(n, 0)) == ASYNC) { is_async = 1; } if (NCH(n) == (5 + is_async)) { n = CHILD(n, 4 + is_async); } else { ...
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 void do_cpuid(int regs[], int h) { __asm__ __volatile__( #if defined __x86_64__ "pushq %%rbx;\n" #else "pushl %%ebx;\n" #endif "cpuid;\n" #if defined __x86_64__ "popq %%rbx;\n" #else "...
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 mp_encode_lua_table_as_array(lua_State *L, mp_buf *buf, int level) { #if LUA_VERSION_NUM < 502 size_t len = lua_objlen(L,-1), j; #else size_t len = lua_rawlen(L,-1), j; #endif mp_encode_array(L,buf,len); luaL_checkstack(L, 1, "in function mp_encode_lua_table_as_array"); for (j = 1; j <= len; j...
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 long media_device_enum_entities(struct media_device *mdev, struct media_entity_desc __user *uent) { struct media_entity *ent; struct media_entity_desc u_ent; memset(&u_ent, 0, sizeof(u_ent)); if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id))) return -EFAULT; ent = find_entity(mdev, u...
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 int override_release(char __user *release, size_t len) { int ret = 0; if (current->personality & UNAME26) { const char *rest = UTS_RELEASE; char buf[65] = { 0 }; int ndots = 0; unsigned v; size_t copy; while (*rest) { if (*rest == '.' && ++ndots >= 3) break; if (!isdigit(*rest) && *rest...
1
C
CWE-16
Configuration
Weaknesses in this category are typically introduced during the configuration of the software.
https://cwe.mitre.org/data/definitions/16.html
safe
horizontalDifference16(unsigned short *ip, int n, int stride, unsigned short *wp, uint16 *From14) { register int r1, g1, b1, a1, r2, g2, b2, a2, mask; /* assumption is unsigned pixel values */ #undef CLAMP #define CLAMP(v) From14[(v) >> 2] mask = CODE_MASK; if (n >= stride) { if (stride == 3) { ...
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
int string_rfind(const char *input, int len, const char *s, int s_len, int pos, bool case_sensitive) { assertx(input); assertx(s); if (!s_len || pos < -len || pos > len) { return -1; } void *ptr; if (case_sensitive) { if (pos >= 0) { ptr = bstrrstr(input + pos, len - pos, s, s...
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
void jp2_box_dump(jp2_box_t *box, FILE *out) { jp2_boxinfo_t *boxinfo; boxinfo = jp2_boxinfolookup(box->type); assert(boxinfo); fprintf(out, "JP2 box: "); fprintf(out, "type=%c%s%c (0x%08"PRIxFAST32"); length=%"PRIuFAST32"\n", '"', boxinfo->name, '"', box->type, box->len); if (box->ops->dumpdata) { (*box->o...
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 AVFrame *get_video_buffer(AVFilterLink *inlink, int w, int h) { PadContext *s = inlink->dst->priv; AVFrame *frame = ff_get_video_buffer(inlink->dst->outputs[0], w + (s->w - s->in_w), h + (s->h - s->in_h)); int plane; ...
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 SDL_Surface *Create_Surface_Blended(int width, int height, SDL_Color fg, Uint32 *color) { const int alignment = Get_Alignement() - 1; SDL_Surface *textbuf = NULL; Uint32 bgcolor; /* Background color */ bgcolor = (fg.r << 16) | (fg.g << 8) | fg.b; /* Underline/Strikethrough color style ...
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
spnego_gss_process_context_token( OM_uint32 *minor_status, const gss_ctx_id_t context_handle, const gss_buffer_t token_buffer) { OM_uint32 ret; ret = gss_process_context_token(minor_status, context_handle, token_buffer); return (ret); }
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
ber_parse_header(STREAM s, int tagval, int *length) { int tag, len; if (tagval > 0xff) { in_uint16_be(s, tag); } else { in_uint8(s, tag); } if (tag != tagval) { logger(Core, Error, "ber_parse_header(), expected tag %d, got %d", tagval, tag); return False; } in_uint8(s, len); if (len & 0x80) { ...
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 int setup_dev_console(const struct lxc_rootfs *rootfs, const struct lxc_console *console) { char path[MAXPATHLEN]; struct stat s; int ret; ret = snprintf(path, sizeof(path), "%s/dev/console", rootfs->mount); if (ret >= sizeof(path)) { ERROR("console path too long"); return -1; } if (access(path,...
0
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
vulnerable
static void opl3_setup_voice(int dev, int voice, int chn) { struct channel_info *info; if (voice < 0 || voice >= devc->nr_voice) return; if (chn < 0 || chn > 15) return; info = &synth_devs[dev]->chn_info[chn]; opl3_set_instr(dev, voice, info->pgm_num); devc->voc[voice].bender = 0; devc->voc[voice].bende...
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
void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu) { u32 data; if (test_bit(KVM_APIC_PV_EOI_PENDING, &vcpu->arch.apic_attention)) apic_sync_pv_eoi_from_guest(vcpu, vcpu->arch.apic); if (!test_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention)) return; kvm_read_guest_cached(vcpu->kvm, &vcpu->arch.apic->...
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
guestfs___first_line_of_file (guestfs_h *g, const char *filename) { char **lines = NULL; /* sic: not CLEANUP_FREE_STRING_LIST */ int64_t size; char *ret; /* Don't trust guestfs_head_n not to break with very large files. * Check the file size is something reasonable first. */ size = guestfs_filesize (g,...
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
spnego_gss_get_mic_iov(OM_uint32 *minor_status, gss_ctx_id_t context_handle, gss_qop_t qop_req, gss_iov_buffer_desc *iov, int iov_count) { return gss_get_mic_iov(minor_status, context_handle, qop_req, iov, iov_count); }
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 ceph_x_proc_ticket_reply(struct ceph_auth_client *ac, struct ceph_crypto_key *secret, void *buf, void *end) { void *p = buf; u8 reply_struct_v; u32 num; int ret; ceph_decode_8_safe(&p, end, reply_struct_v, bad); if (reply_struct_v != 1) return -EINVAL; ceph_decode_32_safe(&p, end, ...
1
C
CWE-399
Resource Management Errors
Weaknesses in this category are related to improper management of system resources.
https://cwe.mitre.org/data/definitions/399.html
safe
static void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags) { const struct sched_class *class; if (p->sched_class == rq->curr->sched_class) { rq->curr->sched_class->check_preempt_curr(rq, p, flags); } else { for_each_class(class) { if (class == rq->curr->sched_class) break; if (cla...
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 void flush_cmd(void) { scanned = readnbd = (size_t) 0U; }
1
C
CWE-399
Resource Management Errors
Weaknesses in this category are related to improper management of system resources.
https://cwe.mitre.org/data/definitions/399.html
safe
void ion_free(struct ion_client *client, struct ion_handle *handle) { BUG_ON(client != handle->client); mutex_lock(&client->lock); ion_free_nolock(client, handle); mutex_unlock(&client->lock); }
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
static cchar *findAcceptableVersion(cchar *name, cchar *originalCriteria) { MprDirEntry *dp; MprList *files; cchar *criteria; int next; criteria = originalCriteria; if (!criteria || smatch(criteria, "*")) { criteria = "x"; } if (schr(name, '#'))...
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
void test_unlink(const char *path) { if (unlink(path) == 0) { fprintf(stderr, "leak at unlink of %s\n", path); exit(1); } if (errno != ENOENT && errno != ENOSYS) { fprintf(stderr, "leak at unlink of %s: errno was %s\n", path, strerror(errno)); exit(1); } }
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
xlate_to_uni(const unsigned char *name, int len, unsigned char *outname, int *longlen, int *outlen, int escape, int utf8, struct nls_table *nls) { const unsigned char *ip; unsigned char nc; unsigned char *op; unsigned int ec; int i, k, fill; int charlen; if (utf8) { *outlen = utf8s_to_utf16s(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
uint32_t GetPayloadTime(size_t handle, uint32_t index, float *in, float *out) { mp4object *mp4 = (mp4object *)handle; if (mp4 == NULL) return 0; if (mp4->metaoffsets == 0 || mp4->basemetadataduration == 0 || mp4->meta_clockdemon == 0 || in == NULL || out == NULL) return 1; *in = (float)((double)index * (double)mp...
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 int nfc_genl_deactivate_target(struct sk_buff *skb, struct genl_info *info) { struct nfc_dev *dev; u32 device_idx, target_idx; int rc; if (!info->attrs[NFC_ATTR_DEVICE_INDEX] || !info->attrs[NFC_ATTR_TARGET_INDEX]) return -EINVAL; device_idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX...
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
cJSON *cJSON_CreateFalse(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_False;return item;}
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
ast_for_with_stmt(struct compiling *c, const node *n0, bool is_async) { const node * const n = is_async ? CHILD(n0, 1) : n0; int i, n_items, end_lineno, end_col_offset; asdl_seq *items, *body; REQ(n, with_stmt); n_items = (NCH(n) - 2) / 2; items = _Py_asdl_seq_new(n_items, c->c_arena); if ...
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 void cil_reset_classpermission(struct cil_classpermission *cp) { if (cp == NULL) { return; } cil_reset_classperms_list(cp->classperms); }
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 bcm_release(struct socket *sock) { struct sock *sk = sock->sk; struct net *net; struct bcm_sock *bo; struct bcm_op *op, *next; if (!sk) return 0; net = sock_net(sk); bo = bcm_sk(sk); /* remove bcm_ops, timer, rx_unregister(), etc. */ spin_lock(&bcm_notifier_lock); while (bcm_busy_notifier == ...
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 print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries) { const char *val = av_color_primaries_name(color_primaries); if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) { print_str_opt("color_primaries", "unknown"); } else { print_str("color_primaries", val); ...
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 int seed_from_timestamp_and_pid(uint32_t *seed) { #ifdef HAVE_GETTIMEOFDAY /* XOR of seconds and microseconds */ struct timeval tv; gettimeofday(&tv, NULL); *seed = (uint32_t)tv.tv_sec ^ (uint32_t)tv.tv_usec; #else /* Seconds only */ *seed = (uint32_t)time(NULL); #endif /* XOR with P...
1
C
CWE-310
Cryptographic Issues
Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not address...
https://cwe.mitre.org/data/definitions/310.html
safe
static void *command_init(struct pci_dev *dev, int offset) { struct pci_cmd_info *cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); int err; if (!cmd) return ERR_PTR(-ENOMEM); err = pci_read_config_word(dev, PCI_COMMAND, &cmd->val); if (err) { kfree(cmd); return ERR_PTR(err); } return cmd; }
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
ast_for_funcdef(struct compiling *c, const node *n, asdl_seq *decorator_seq) { /* funcdef: 'def' NAME parameters ['->' test] ':' suite */ return ast_for_funcdef_impl(c, n, decorator_seq, 0 /* is_async */); }
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 pppol2tp_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) { struct sock *sk = sock->sk; struct l2tp_session *session; struct l2tp_tunnel *tunnel; int val, len; int err; struct pppol2tp_session *ps; if (level != SOL_PPPOL2TP) return -EINVAL; ...
1
C
CWE-269
Improper Privilege Management
The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
https://cwe.mitre.org/data/definitions/269.html
safe
*/ static int wddx_stack_destroy(wddx_stack *stack) { register int i; if (stack->elements) { for (i = 0; i < stack->top; i++) { if (((st_entry *)stack->elements[i])->data && ((st_entry *)stack->elements[i])->type != ST_FIELD) { zval_ptr_dtor(&((st_entry *)stack->elements[i])->data); } if (((st_e...
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
SPL_METHOD(FilesystemIterator, getFlags) { spl_filesystem_object *intern = (spl_filesystem_object*)zend_object_store_get_object(getThis() TSRMLS_CC); if (zend_parse_parameters_none() == FAILURE) { return; } RETURN_LONG(intern->flags & (SPL_FILE_DIR_KEY_MODE_MASK | SPL_FILE_DIR_CURRENT_MODE_MASK | SPL_FILE_DIR_O...
1
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
safe
static void parseServerMonitors(HttpRoute *route, cchar *key, MprJson *prop) { MprJson *child; MprTicks period; cchar *counter, *expression, *limit, *relation, *defenses; int ji; for (ITERATE_CONFIG(route, prop, child, ji)) { defenses = mprGetJson(child, "defenses"); ...
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 ssize_t o2nm_node_num_store(struct config_item *item, const char *page, size_t count) { struct o2nm_node *node = to_o2nm_node(item); struct o2nm_cluster *cluster = to_o2nm_cluster_from_node(node); unsigned long tmp; char *p = (char *)page; int ret = 0; tmp = simple_strtoul(p, &p, 0); if (!p || (*p...
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
valid_filetype(char_u *val) { char_u *s; for (s = val; *s != NUL; ++s) if (!ASCII_ISALNUM(*s) && vim_strchr((char_u *)".-_", *s) == NULL) return FALSE; return TRUE; }
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 int snd_hrtimer_start(struct snd_timer *t) { struct snd_hrtimer *stime = t->private_data; atomic_set(&stime->running, 0); hrtimer_cancel(&stime->hrt); hrtimer_start(&stime->hrt, ns_to_ktime(t->sticks * resolution), HRTIMER_MODE_REL); atomic_set(&stime->running, 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
gss_get_mic_iov(OM_uint32 *minor_status, gss_ctx_id_t context_handle, gss_qop_t qop_req, gss_iov_buffer_desc *iov, int iov_count) { OM_uint32 status; gss_union_ctx_id_t ctx; gss_mechanism mech; status = val_wrap_iov_args(minor_status, context_handle, 0, qop_req, NULL, iov, iov_count); i...
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 int crypto_report_one(struct crypto_alg *alg, struct crypto_user_alg *ualg, struct sk_buff *skb) { strlcpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name)); strlcpy(ualg->cru_driver_name, alg->cra_driver_name, sizeof(ualg->cru_driver_name)); strlcpy(ualg->cru_module_name, module_name(alg->cra_...
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
spnego_gss_wrap_iov(OM_uint32 *minor_status, gss_ctx_id_t context_handle, int conf_req_flag, gss_qop_t qop_req, int *conf_state, gss_iov_buffer_desc *iov, int iov_count) { OM_uint32 ret; spnego_gss_ctx_id_t sc = (spnego_gss_ctx_id_t)context_handle; if (sc->ctx_handle == GSS_C_NO_...
1
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
safe
static GF_AV1Config* AV1_DuplicateConfig(GF_AV1Config const * const cfg) { u32 i = 0; GF_AV1Config *out = gf_malloc(sizeof(GF_AV1Config)); out->marker = cfg->marker; out->version = cfg->version; out->seq_profile = cfg->seq_profile; out->seq_level_idx_0 = cfg->seq_level_idx_0; out->seq_tier_0 = cfg->seq_tier_0; ...
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
handle_mlppp(netdissect_options *ndo, const u_char *p, int length) { if (!ndo->ndo_eflag) ND_PRINT((ndo, "MLPPP, ")); if (length < 2) { ND_PRINT((ndo, "[|mlppp]")); return; } if (!ND_TTEST_16BITS(p)) { ND_PRINT((ndo, "[|mlppp]")); return; } ...
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 inline struct inode *isofs_iget_reloc(struct super_block *sb, unsigned long block, unsigned long offset) { return __isofs_iget(sb, block, offset, 1); }
1
C
CWE-399
Resource Management Errors
Weaknesses in this category are related to improper management of system resources.
https://cwe.mitre.org/data/definitions/399.html
safe
void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *port) { int i; static const work_func_t sas_event_fns[DISC_NUM_EVENTS] = { [DISCE_DISCOVER_DOMAIN] = sas_discover_domain, [DISCE_REVALIDATE_DOMAIN] = sas_revalidate_domain, [DISCE_PROBE] = sas_probe_devices, [DISCE_SUSPEND] = sas_suspend_dev...
0
C
NVD-CWE-noinfo
null
null
null
vulnerable
static void suffix_object( cJSON *prev, cJSON *item ) { prev->next = item; item->prev = prev; }
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
static char *r_socket_http_answer (RSocket *s, int *code, int *rlen) { r_return_val_if_fail (s, NULL); const char *p; int ret, len = 0, bufsz = 32768, delta = 0; char *dn, *buf = calloc (1, bufsz + 32); // XXX: use r_buffer here if (!buf) { return NULL; } char *res = NULL; int olen = __socket_slurp (s, (ut8*)...
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 void parseContentKeep(HttpRoute *route, cchar *key, MprJson *prop) { if (mprGetJson(prop, "[@=c]")) { route->keepSource = 1; } }
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 proc_sys_readdir(struct file *file, struct dir_context *ctx) { struct ctl_table_header *head = grab_header(file_inode(file)); struct ctl_table_header *h = NULL; struct ctl_table *entry; struct ctl_dir *ctl_dir; unsigned long pos; if (IS_ERR(head)) return PTR_ERR(head); ctl_dir = container_of(head,...
1
C
CWE-399
Resource Management Errors
Weaknesses in this category are related to improper management of system resources.
https://cwe.mitre.org/data/definitions/399.html
safe
static int rose_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t size, int flags) { struct sock *sk = sock->sk; struct rose_sock *rose = rose_sk(sk); struct sockaddr_rose *srose = (struct sockaddr_rose *)msg->msg_name; size_t copied; unsigned char *asmptr; struct sk_buff *skb; int n...
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
int wvlan_set_station_nickname(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { struct wl_private *lp = wl_priv(dev); unsigned long flags; int ret = 0; /*------------------------------------------------------------------------*/ DBG_FUNC...
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 MprJson *queryCore(MprJson *obj, cchar *key, MprJson *value, int flags) { MprJson *result, *child; char *property, *rest; int termType; if (obj == 0 || key == 0 || *key == '\0' || obj->type & MPR_JSON_VALUE) { return 0; } result = 0; for (property = getNext...
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
static unsigned int help(struct sk_buff *skb, enum ip_conntrack_info ctinfo, unsigned int protoff, unsigned int matchoff, unsigned int matchlen, struct nf_conntrack_expect *exp) { char buffer[sizeof("4294967296 65635")]; struct nf_conn *ct = exp->master; union nf_inet_addr newaddr; u_int16_t 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
static int http_connect(http_subtransport *t) { int error; if (t->connected && http_should_keep_alive(&t->parser) && t->parse_finished) return 0; if (t->io) { git_stream_close(t->io); git_stream_free(t->io); t->io = NULL; t->connected = 0; } if (t->connection_data.use_ssl) { error = git_tls_stre...
1
C
CWE-284
Improper Access Control
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
https://cwe.mitre.org/data/definitions/284.html
safe
static void show_object(struct object *obj, struct strbuf *path, const char *last, void *data) { char *name = path_name(path, last); add_preferred_base_object(name); add_object_entry(obj->oid.hash, obj->type, name, 0); obj->flags |= OBJECT_ADDED; /* * We will have generated the hash from the name, * bu...
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 l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags) { struct sock *sk = sock->sk; struct sockaddr_l2 la; int len, err = 0; BT_DBG("sk %p", sk); if (!addr || addr->sa_family != AF_BLUETOOTH) return -EINVAL; memset(&la, 0, sizeof(la)); len = min_t(unsigned int, sizeo...
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
main_get_appheader (xd3_stream *stream, main_file *ifile, main_file *output, main_file *sfile) { uint8_t *apphead; usize_t appheadsz; int ret; /* The user may disable the application header. Once the appheader * is set, this disables setting it again. */ if (! option_use_appheader) { return; } r...
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 parse_xargs(char *data, int data_length, char ***output) { int num = 0; char *cur = data; if (!data || *output != NULL) return -1; while (cur < data + data_length) { num++; *output = must_realloc(*output, (num + 1) * sizeof(**output)); (*output)[num - 1] = cur; cur += strlen(cur) + 1; } (*o...
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
void user_describe(const struct key *key, struct seq_file *m) { seq_puts(m, key->description); if (key_is_instantiated(key)) seq_printf(m, ": %u", key->datalen); }
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
int perf_event_refresh(struct perf_event *event, int refresh) { /* * not supported on inherited events */ if (event->attr.inherit || !is_sampling_event(event)) return -EINVAL; atomic_add(refresh, &event->event_limit); perf_event_enable(event); return 0; }
0
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
vulnerable
static void read_quant_matrix_ext(MpegEncContext *s, GetBitContext *gb) { int i, j, v; if (get_bits1(gb)) { /* intra_quantiser_matrix */ for (i = 0; i < 64; i++) { v = get_bits(gb, 8); j = s->idsp.idct_permutation[ff_zigzag_direct[i]]; s->intra_matrix[j] ...
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 void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp) { struct sem_undo *un, *tu; struct sem_queue *q, *tq; struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm); struct list_head tasks; int i; /* Free the existing undo structures for this semaphore set. */ assert_spin_lock...
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
const char *cJSON_GetErrorPtr( void ) { return ep; }
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
void inet6_destroy_sock(struct sock *sk) { struct ipv6_pinfo *np = inet6_sk(sk); struct sk_buff *skb; struct ipv6_txoptions *opt; /* Release rx options */ skb = xchg(&np->pktoptions, NULL); if (skb) kfree_skb(skb); skb = xchg(&np->rxpmtu, NULL); if (skb) kfree_skb(skb); /* Free flowlabels */ fl6_free_...
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
ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt, int newtype, struct ipv6_opt_hdr __user *newopt, int newoptlen) { int tot_len = 0; char *p; struct ipv6_txoptions *opt2; int err; if (opt) { if (newtype != IPV6_HOPOPTS && opt->hopopt) tot_len += CMSG_ALIGN(ipv6_optlen(opt->hopopt)); ...
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 void smp_task_done(struct sas_task *task) { if (!del_timer(&task->slow_task->timer)) return; complete(&task->slow_task->completion); }
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
void main_cleanup() { #ifdef USE_OS_THREADS CLI *c; unsigned i, threads; THREAD_ID *thread_list; CRYPTO_THREAD_write_lock(stunnel_locks[LOCK_THREAD_LIST]); threads=0; for(c=thread_head; c; c=c->thread_next) /* count client threads */ threads++; thread_list=str_alloc((threads+1)*size...
0
C
CWE-295
Improper Certificate Validation
The software does not validate, or incorrectly validates, a certificate.
https://cwe.mitre.org/data/definitions/295.html
vulnerable
static void oidc_scrub_headers(request_rec *r) { oidc_cfg *cfg = ap_get_module_config(r->server->module_config, &auth_openidc_module); if (cfg->scrub_request_headers != 0) { /* scrub all headers starting with OIDC_ first */ oidc_scrub_request_headers(r, OIDC_DEFAULT_HEADER_PREFIX, oidc_cfg_dir_authn_head...
0
C
CWE-287
Improper Authentication
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
https://cwe.mitre.org/data/definitions/287.html
vulnerable
static int oidc_cache_crypto_encrypt_impl(request_rec *r, unsigned char *plaintext, int plaintext_len, const unsigned char *aad, int aad_len, unsigned char *key, const unsigned char *iv, int iv_len, unsigned char *ciphertext, const unsigned char *tag, int tag_len) { EVP_CIPHER_CTX *ctx; int len; int cipherte...
0
C
CWE-330
Use of Insufficiently Random Values
The software uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
https://cwe.mitre.org/data/definitions/330.html
vulnerable
static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb) { struct block_device *bdev; char b[BDEVNAME_SIZE]; bdev = blkdev_get_by_dev(dev, FMODE_READ|FMODE_WRITE|FMODE_EXCL, sb); if (IS_ERR(bdev)) goto fail; return bdev; fail: ext3_msg(sb, KERN_ERR, "error: failed to open journal device ...
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 void rtc_irq_eoi_tracking_reset(struct kvm_ioapic *ioapic) { ioapic->rtc_status.pending_eoi = 0; bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPU_ID); }
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 ssize_t f_hidg_write(struct file *file, const char __user *buffer, size_t count, loff_t *offp) { struct f_hidg *hidg = file->private_data; struct usb_request *req; unsigned long flags; ssize_t status = -ENOMEM; if (!access_ok(buffer, count)) return -EFAULT; spin_lock_irqsave(&hidg->write_spinlo...
1
C
CWE-667
Improper Locking
The software does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
https://cwe.mitre.org/data/definitions/667.html
safe
pidfile_write(const char *pid_file, int pid) { FILE *pidfile = NULL; int pidfd = creat(pid_file, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); if (pidfd != -1) pidfile = fdopen(pidfd, "w"); if (!pidfile) { log_message(LOG_INFO, "pidfile_write : Cannot open %s pidfile", pid_file); return 0; } fprintf(pidf...
0
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
vulnerable
static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t size, int flags) { struct sock *sk = sock->sk; struct sockaddr_at *sat = (struct sockaddr_at *)msg->msg_name; struct ddpehdr *ddp; int copied = 0; int offset = 0; int err = 0; struct sk_buff *skb; skb = skb_recv_da...
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
horizontalDifference16(unsigned short *ip, int n, int stride, unsigned short *wp, uint16 *From14) { register int r1, g1, b1, a1, r2, g2, b2, a2, mask; /* assumption is unsigned pixel values */ #undef CLAMP #define CLAMP(v) From14[(v) >> 2] mask = CODE_MASK; if (n >= stride) { if (stride == 3) { ...
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 iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) { if (sta_id >= IWLAGN_STATION_COUNT) { IWL_ERR(priv, "invalid sta_id %u", sta_id); return -EINVAL; } if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) IWL_ERR(priv, "ACTIVATE a non DRIVER active station id %u " "addr %pM\n", s...
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 char* getPreferredTag(const char* gf_tag) { char* result = NULL; int grOffset = 0; grOffset = findOffset( LOC_GRANDFATHERED ,gf_tag); if(grOffset < 0) { return NULL; } if( grOffset < LOC_PREFERRED_GRANDFATHERED_LEN ){ /* return preferred tag */ result = estrdup( LOC_PREFERRED_GRANDFATHERED[grOffset...
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 dev_get_valid_name(struct net *net, struct net_device *dev, const char *name) { BUG_ON(!net); if (!dev_valid_name(name)) return -EINVAL; if (strchr(name, '%')) return dev_alloc_name_ns(net, dev, name); else if (__dev_get_by_name(net, name)) return -EEXIST; else if (dev->name !=...
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(int) pj_scan_get_char( pj_scanner *scanner ) { int chr = *scanner->curptr; if (!chr) { pj_scan_syntax_err(scanner); return 0; } ++scanner->curptr; if (PJ_SCAN_IS_PROBABLY_SPACE(*scanner->curptr) && scanner->skip_ws) { pj_scan_skip_whitespace(scanner); } return chr; }
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 bool ndp_msg_check_valid(struct ndp_msg *msg) { size_t len = ndp_msg_payload_len(msg); enum ndp_msg_type msg_type = ndp_msg_type(msg); if (len < ndp_msg_type_info(msg_type)->raw_struct_size) return false; if (ndp_msg_type_info(msg_type)->addrto_validate) return ndp_msg_type_info(msg_type)->addrto_valid...
1
C
CWE-284
Improper Access Control
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
https://cwe.mitre.org/data/definitions/284.html
safe
SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size, unsigned int, flags, struct sockaddr __user *, addr, int __user *, addr_len) { struct socket *sock; struct iovec iov; struct msghdr msg; struct sockaddr_storage address; int err, err2; int fput_needed; if (size > INT_MAX) size = INT_MAX...
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 bool caller_is_in_ancestor(pid_t pid, const char *contrl, const char *cg, char **nextcg) { bool answer = false; char *c2 = get_pid_cgroup(pid, contrl); char *linecmp; if (!c2) return false; prune_init_slice(c2); /* * callers pass in '/' for root cgroup, otherwise they pass * in a cgroup without lea...
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