code
stringlengths
12
2.05k
label
int64
0
1
programming_language
stringclasses
9 values
cwe_id
stringlengths
6
14
cwe_name
stringlengths
5
103
⌀
description
stringlengths
36
1.23k
⌀
url
stringlengths
36
48
⌀
label_name
stringclasses
2 values
static void sunkbd_reinit(struct work_struct *work) { struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq); /* * It is OK that we check sunkbd->enabled without pausing serio, * as we only want to catch true->false transition that will * happen once and we will be woken up for it. */ wait_event_inte...
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
PUBLIC void httpSetCredentials(HttpConn *conn, cchar *username, cchar *password, cchar *authType) { char *ptok; httpResetCredentials(conn); if (password == NULL && strchr(username, ':') != 0) { conn->username = stok(sclone(username), ":", &ptok); conn->password = sclone(ptok); } else...
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 netdev_tx_t mcba_usb_start_xmit(struct sk_buff *skb, struct net_device *netdev) { struct mcba_priv *priv = netdev_priv(netdev); struct can_frame *cf = (struct can_frame *)skb->data; struct mcba_usb_ctx *ctx = NULL; struct net_device_stats *stats = &priv->netdev->stats; u16 sid; int err; struct ...
0
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
vulnerable
void perf_tp_event(u64 addr, u64 count, void *record, int entry_size, struct pt_regs *regs, struct hlist_head *head, int rctx) { struct perf_sample_data data; struct perf_event *event; struct hlist_node *node; struct perf_raw_record raw = { .size = entry_size, .data = record, }; perf_sample_data_init(&...
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
int sc_file_set_sec_attr(sc_file_t *file, const u8 *sec_attr, size_t sec_attr_len) { u8 *tmp; if (!sc_file_valid(file)) { return SC_ERROR_INVALID_ARGUMENTS; } if (sec_attr == NULL || sec_attr_len) { if (file->sec_attr != NULL) free(file->sec_attr); file->sec_attr = NULL; file->sec_attr_len = 0; re...
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 ScreenCell *realloc_buffer(VTermScreen *screen, ScreenCell *buffer, int new_rows, int new_cols) { ScreenCell *new_buffer = vterm_allocator_malloc(screen->vt, sizeof(ScreenCell) * new_rows * new_cols); int row, col; for(row = 0; row < new_rows; row++) { for(col = 0; col < new_cols; col++) { Scree...
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 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) { zval_ptr_dtor(&((st_entry *)stack->elements[i])->data); } if (((st_entry *)stack->elements[i])->varname) { efree(((st_entry...
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 trusted_update(struct key *key, struct key_preparsed_payload *prep) { struct trusted_key_payload *p; struct trusted_key_payload *new_p; struct trusted_key_options *new_o; size_t datalen = prep->datalen; char *datablob; int ret = 0; if (test_bit(KEY_FLAG_NEGATIVE, &key->flags)) return -ENOKEY; p = ...
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 char *get_object( FILE *fp, int obj_id, const xref_t *xref, size_t *size, int *is_stream) { static const int blk_sz = 256; int i, total_sz, read_sz, n_blks, search, stream; size_t obj_sz; char *c, *...
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 ext4_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, unsigned int flags) { int result; handle_t *handle = NULL; struct inode *inode = file_inode(vma->vm_file); struct super_block *sb = inode->i_sb; bool write = flags & FAULT_FLAG_WRITE; if (write) { sb_start_pagefault...
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 luaV_concat (lua_State *L, int total) { if (total == 1) return; /* "all" values already concatenated */ do { StkId top = L->top; int n = 2; /* number of elements handled in this pass (at least 2) */ if (!(ttisstring(s2v(top - 2)) || cvt2str(s2v(top - 2))) || !tostring(L, s2v(top - 1))...
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 crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen) { u8 *buf = NULL; int err; if (!seed && slen) { buf = kmalloc(slen, GFP_KERNEL); if (!buf) return -ENOMEM; get_random_bytes(buf, slen); seed = buf; } err = crypto_rng_alg(tfm)->seed(tfm, seed, slen); kfree(buf); return...
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 pfkey_recvmsg(struct kiocb *kiocb, struct socket *sock, struct msghdr *msg, size_t len, int flags) { struct sock *sk = sock->sk; struct pfkey_sock *pfk = pfkey_sk(sk); struct sk_buff *skb; int copied, err; err = -EINVAL; if (flags & ~(MSG_PEEK|MSG_DONTWAIT|MSG_TRUNC|MSG_CMSG_COMPAT)) goto ou...
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
cJSON *cJSON_CreateString(const char *string) {cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_String;item->valuestring=cJSON_strdup(string);if(!item->valuestring){cJSON_Delete(item);return 0;}}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
bfad_im_get_stats(struct Scsi_Host *shost) { struct bfad_im_port_s *im_port = (struct bfad_im_port_s *) shost->hostdata[0]; struct bfad_s *bfad = im_port->bfad; struct bfad_hal_comp fcomp; union bfa_port_stats_u *fcstats; struct fc_host_statistics *hstats; bfa_status_t rc; unsigned long flags; ...
0
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
vulnerable
hb_set_clear (hb_set_t *set) { /* Immutible-safe. */ set->clear (); }
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
SPL_METHOD(SplFileObject, next) { spl_filesystem_object *intern = (spl_filesystem_object*)zend_object_store_get_object(getThis() TSRMLS_CC); if (zend_parse_parameters_none() == FAILURE) { return; } spl_filesystem_file_free_line(intern TSRMLS_CC); if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_AHEAD)) { ...
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
asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) { enum direction dir = decode_direction(insn); int size = decode_access_size(insn); if(!ok_for_kernel(insn) || dir == both) { printk("Unsupported unaligned load/store trap for kernel at <%08lx>.\n", regs->pc); unaligned_pani...
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
static int pop_sync_mailbox(struct Context *ctx, int *index_hint) { int i, j, ret = 0; char buf[LONG_STRING]; struct PopData *pop_data = (struct PopData *) ctx->data; struct Progress progress; #ifdef USE_HCACHE header_cache_t *hc = NULL; #endif pop_data->check_time = 0; while (true) { if (pop_reco...
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 fill_thread_core_info(struct elf_thread_core_info *t, const struct user_regset_view *view, long signr, size_t *total) { unsigned int i; /* * NT_PRSTATUS is the one special case, because the regset data * goes into the pr_reg field inside the note contents, rather * than being the whole not...
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
_pyfribidi_log2vis (PyObject * self, PyObject * args, PyObject * kw) { PyUnicodeObject *logical = NULL; /* input unicode or string object */ FriBidiParType base = FRIBIDI_TYPE_RTL; /* optional direction */ int clean = 0; /* optional flag to clean the string */ int reordernsm = 1; /* optional flag to all...
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 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); ...
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 hashtable_do_rehash(hashtable_t *hashtable) { list_t *list, *next; pair_t *pair; size_t i, index, new_size; jsonp_free(hashtable->buckets); hashtable->order++; new_size = hashsize(hashtable->order); hashtable->buckets = jsonp_malloc(new_size * sizeof(bucket_t)); if(!hashtab...
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 int crypto_report_one(struct crypto_alg *alg, struct crypto_user_alg *ualg, struct sk_buff *skb) { strncpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name)); strncpy(ualg->cru_driver_name, alg->cra_driver_name, sizeof(ualg->cru_driver_name)); strncpy(ualg->cru_module_name, module_name(alg->cra_...
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 int exists_not_none(PyObject *obj, _Py_Identifier *id) { int isnone; PyObject *attr = _PyObject_GetAttrId(obj, id); if (!attr) { PyErr_Clear(); return 0; } isnone = attr == Py_None; Py_DECREF(attr); return !isnone; }
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
externalParEntProcessor(XML_Parser parser, const char *s, const char *end, const char **nextPtr) { const char *next = s; int tok; tok = XmlPrologTok(parser->m_encoding, s, end, &next); if (tok <= 0) { if (! parser->m_parsingStatus.finalBuffer && tok != XML_TOK_INVALID) { *next...
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
ut64 MACH0_(get_baddr)(struct MACH0_(obj_t)* bin) { int i; if (bin->hdr.filetype != MH_EXECUTE && bin->hdr.filetype != MH_DYLINKER) { return 0; } for (i = 0; i < bin->nsegs; ++i) { if (bin->segs[i].fileoff == 0 && bin->segs[i].filesize != 0) { return bin->segs[i].vmaddr; } } return 0; }
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
header_put_be_3byte (SF_PRIVATE *psf, int x) { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 3) { psf->header [psf->headindex++] = (x >> 16) ; psf->header [psf->headindex++] = (x >> 8) ; psf->header [psf->headindex++] = x ; } ; } /* header_put_be_3byte */
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
void lpc546xxEthTick(NetInterface *interface) { //Valid Ethernet PHY or switch driver? if(interface->phyDriver != NULL) { //Handle periodic operations interface->phyDriver->tick(interface); } else if(interface->switchDriver != NULL) { //Handle periodic operations interface->swi...
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
build_principal_va(krb5_context context, krb5_principal princ, unsigned int rlen, const char *realm, va_list ap) { krb5_error_code retval = 0; char *r = NULL; krb5_data *data = NULL; krb5_int32 count = 0; krb5_int32 size = 2; /* initial guess at needed space */ char *componen...
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 unsigned char unimap_bsearch(const uni_to_enc *table, unsigned code_key_a, size_t num) { const uni_to_enc *l = table, *h = &table[num-1], *m; unsigned short code_key; /* we have no mappings outside the BMP */ if (code_key_a > 0xFFFFU) return 0; code_key = (unsigned short) code_key_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
bool inode_owner_or_capable(const struct inode *inode) { if (uid_eq(current_fsuid(), inode->i_uid)) return true; if (inode_capable(inode, CAP_FOWNER)) return true; return false; }
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 int has_dev_urandom() { struct stat buf; if (stat(dev_random_file, &buf)) { return 0; } return ((buf.st_mode & S_IFCHR) != 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
void test_stat(const char *path) { struct stat sb; if (stat(path, &sb) >= 0) { fprintf(stderr, "leak at stat of %s\n", path); exit(1); } if (errno != ENOENT) { fprintf(stderr, "leak at stat of %s: errno was %d\n", path, 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
struct ipv6_txoptions *ipv6_update_options(struct sock *sk, struct ipv6_txoptions *opt) { if (inet_sk(sk)->is_icsk) { if (opt && !((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) && inet_sk(sk)->inet_daddr != LOOPBACK4_IPV6) { struct inet_connection_sock *icsk = inet_csk(sk); icsk->icsk_e...
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
ast2obj_withitem(void* _o) { withitem_ty o = (withitem_ty)_o; PyObject *result = NULL, *value = NULL; if (!o) { Py_INCREF(Py_None); return Py_None; } result = PyType_GenericNew(withitem_type, NULL, NULL); if (!result) return NULL; value = ast2obj_expr(o->context_expr); i...
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
dtls1_buffer_record(SSL *s, record_pqueue *queue, unsigned char *priority) { DTLS1_RECORD_DATA *rdata; pitem *item; /* Limit the size of the queue to prevent DOS attacks */ if (pqueue_size(queue->q) >= 100) return 0; rdata = OPENSSL_malloc(sizeof(DTLS1_RECORD_DATA)); item = pitem_new(priority, rdata); if (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
void file_sb_list_add(struct file *file, struct super_block *sb) { if (likely(!(file->f_mode & FMODE_WRITE))) return; if (!S_ISREG(file_inode(file)->i_mode)) return; lg_local_lock(&files_lglock); __file_sb_list_add(file, sb); lg_local_unlock(&files_lglock); }
0
C
CWE-17
DEPRECATED: Code
This entry has been deprecated. It was originally used for organizing the Development View (CWE-699) and some other views, but it introduced unnecessary complexity and depth to the resulting tree.
https://cwe.mitre.org/data/definitions/17.html
vulnerable
BOOL glyph_cache_put(rdpGlyphCache* glyphCache, UINT32 id, UINT32 index, rdpGlyph* glyph) { rdpGlyph* prevGlyph; if (id > 9) { WLog_ERR(TAG, "invalid glyph cache id: %" PRIu32 "", id); return FALSE; } if (index >= glyphCache->glyphCache[id].number) { WLog_ERR(TAG, "invalid glyph cache index: %" PRIu32 " i...
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
void cJSON_AddItemToArray(cJSON *array, cJSON *item) {cJSON *c=array->child;if (!item) return; if (!c) {array->child=item;} else {while (c && c->next) c=c->next; suffix_object(c,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
static int _gdImageGifCtx(gdImagePtr im, gdIOCtxPtr out) { gdImagePtr pim = 0, tim = im; int interlace, BitsPerPixel; interlace = im->interlace; if (im->trueColor) { /* Expensive, but the only way that produces an acceptable result: mix down to a palette based temporary image. */ pim = gdImageCreatePalett...
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 matchExpression(MprJson *obj, int operator, char *value) { if (!(obj->type & MPR_JSON_VALUE)) { return 0; } value = stok(value, "'\"", NULL); switch (operator) { case JSON_OP_EQ: return smatch(obj->value, value); case JSON_OP_NE: return !smatch(obj->value, val...
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 cp2112_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { struct cp2112_device *dev = gpiochip_get_data(chip); struct hid_device *hdev = dev->hdev; u8 *buf = dev->in_out_buffer; int ret; mutex_lock(&dev->lock); ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, ...
1
C
CWE-404
Improper Resource Shutdown or Release
The program does not release or incorrectly releases a resource before it is made available for re-use.
https://cwe.mitre.org/data/definitions/404.html
safe
static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) { int i; int nr = pagevec_count(pvec); int delta_munlocked = -nr; struct pagevec pvec_putback; int pgrescued = 0; pagevec_init(&pvec_putback, 0); /* Phase 1: page isolation */ spin_lock_irq(zone_lru_lock(zone)); for (i = 0; i < nr; i++) {...
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
ast2obj_type_ignore(void* _o) { type_ignore_ty o = (type_ignore_ty)_o; PyObject *result = NULL, *value = NULL; if (!o) { Py_INCREF(Py_None); return Py_None; } switch (o->kind) { case TypeIgnore_kind: result = PyType_GenericNew(TypeIgnore_type, NULL, NULL); if (!r...
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 sctp_generate_heartbeat_event(unsigned long data) { int error = 0; struct sctp_transport *transport = (struct sctp_transport *) data; struct sctp_association *asoc = transport->asoc; struct net *net = sock_net(asoc->base.sk); bh_lock_sock(asoc->base.sk); if (sock_owned_by_user(asoc->base.sk)) { pr_debug("...
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
juniper_atm1_print(netdissect_options *ndo, const struct pcap_pkthdr *h, register const u_char *p) { int llc_hdrlen; struct juniper_l2info_t l2info; l2info.pictype = DLT_JUNIPER_ATM1; if (juniper_parse_header(ndo, p, h, &l2info) == 0) return l2info.header...
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
int iscsi_decode_text_input( u8 phase, u8 sender, char *textbuf, u32 length, struct iscsi_conn *conn) { struct iscsi_param_list *param_list = conn->param_list; char *tmpbuf, *start = NULL, *end = NULL; tmpbuf = kzalloc(length + 1, GFP_KERNEL); if (!tmpbuf) { pr_err("Unable to allocate memory for tmpbuf.\n")...
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 ssize_t exitcode_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { char *end, buf[sizeof("nnnnn\0")]; size_t size; int tmp; size = min(count, sizeof(buf)); if (copy_from_user(buf, buffer, size)) return -EFAULT; tmp = simple_strtol(buf, &end, 0); if ((*end != '\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
static int hashtable_do_del(hashtable_t *hashtable, const char *key, size_t hash) { pair_t *pair; bucket_t *bucket; size_t index; index = hash & hashmask(hashtable->order); bucket = &hashtable->buckets[index]; pair = hashtable_find_pair(hashtable, bucket, key, hash)...
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
SPL_METHOD(DirectoryIterator, isDot) { spl_filesystem_object *intern = (spl_filesystem_object*)zend_object_store_get_object(getThis() TSRMLS_CC); if (zend_parse_parameters_none() == FAILURE) { return; } RETURN_BOOL(spl_filesystem_is_dot(intern->u.dir.entry.d_name)); }
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
int hugetlb_get_quota(struct address_space *mapping, long delta) { int ret = 0; struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(mapping->host->i_sb); if (sbinfo->free_blocks > -1) { spin_lock(&sbinfo->stat_lock); if (sbinfo->free_blocks - delta >= 0) sbinfo->free_blocks -= delta; else ret = -ENOMEM; s...
0
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
vulnerable
int nfc_llcp_send_cc(struct nfc_llcp_sock *sock) { struct nfc_llcp_local *local; struct sk_buff *skb; u8 *miux_tlv = NULL, miux_tlv_length; u8 *rw_tlv = NULL, rw_tlv_length, rw; int err; u16 size = 0; __be16 miux; pr_debug("Sending CC\n"); local = sock->local; if (local == NULL) return -ENODEV; /* If th...
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
GIT_INLINE(bool) verify_dotgit_ntfs(git_repository *repo, const char *path, size_t len) { git_buf *reserved = git_repository__reserved_names_win32; size_t reserved_len = git_repository__reserved_names_win32_len; size_t start = 0, i; if (repo) git_repository__reserved_names(&reserved, &reserved_len, repo, true); ...
0
C
CWE-706
Use of Incorrectly-Resolved Name or Reference
The software uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.
https://cwe.mitre.org/data/definitions/706.html
vulnerable
static void perf_event_interrupt(struct pt_regs *regs) { int i; struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events); struct perf_event *event; unsigned long val; int found = 0; int nmi; if (cpuhw->n_limited) freeze_limited_counters(cpuhw, mfspr(SPRN_PMC5), mfspr(SPRN_PMC6)); perf_read_regs(regs...
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 char *r_buf_read_string (RBuffer *buf, ut64 addr, int len) { ut8 *data = malloc (len); if (data) { r_buf_read_at (buf, addr, data, len); data[len-1] = 0; return data; } return NULL; }
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 read_private_key(RSA *rsa) { int r; sc_path_t path; sc_file_t *file; const sc_acl_entry_t *e; u8 buf[2048], *p = buf; size_t bufsize, keysize; r = select_app_df(); if (r) return 1; sc_format_path("I0012", &path); r = sc_select_file(card, &path, &file); if (r) { fprintf(stderr, "Unable to sel...
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
ext4_xattr_release_block(handle_t *handle, struct inode *inode, struct buffer_head *bh) { struct mb_cache_entry *ce = NULL; int error = 0; struct mb_cache *ext4_mb_cache = EXT4_GET_MB_CACHE(inode); ce = mb_cache_entry_get(ext4_mb_cache, bh->b_bdev, bh->b_blocknr); BUFFER_TRACE(bh, "get_write_access"); error ...
0
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
vulnerable
static int msg_cache_check(const char *id, struct BodyCache *bcache, void *data) { struct Context *ctx = (struct Context *) data; if (!ctx) return -1; struct PopData *pop_data = (struct PopData *) ctx->data; if (!pop_data) return -1; #ifdef USE_HCACHE /* keep hcache file if hcache == bcache */ if (...
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
int unshare_userns(unsigned long unshare_flags, struct cred **new_cred) { struct cred *cred; if (!(unshare_flags & CLONE_NEWUSER)) return 0; cred = prepare_creds(); if (!cred) return -ENOMEM; *new_cred = cred; return create_user_ns(cred); }
0
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
vulnerable
static void pipe_advance(struct iov_iter *i, size_t size) { struct pipe_inode_info *pipe = i->pipe; if (unlikely(i->count < size)) size = i->count; if (size) { struct pipe_buffer *buf; size_t off = i->iov_offset, left = size; int idx = i->idx; if (off) /* make it relative to the beginning of buffer */ l...
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
perf_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct perf_event *event = file->private_data; struct perf_event_context *ctx; int ret; ctx = perf_event_ctx_lock(event); ret = perf_read_hw(event, buf, count); 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 pgpPrtParams(const uint8_t * pkts, size_t pktlen, unsigned int pkttype, pgpDigParams * ret) { const uint8_t *p = pkts; const uint8_t *pend = pkts + pktlen; pgpDigParams digp = NULL; pgpDigParams selfsig = NULL; int i = 0; int alloced = 16; /* plenty for normal cases */ struct pgpPkt *...
1
C
CWE-347
Improper Verification of Cryptographic Signature
The software does not verify, or incorrectly verifies, the cryptographic signature for data.
https://cwe.mitre.org/data/definitions/347.html
safe
static int nft_flush_table(struct nft_ctx *ctx) { int err; struct nft_chain *chain, *nc; struct nft_set *set, *ns; list_for_each_entry_safe(chain, nc, &ctx->table->chains, list) { ctx->chain = chain; err = nft_delrule_by_chain(ctx); if (err < 0) goto out; err = nft_delchain(ctx); if (err < 0) got...
0
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
vulnerable
static void *etm_setup_aux(int event_cpu, void **pages, int nr_pages, bool overwrite) { int cpu; cpumask_t *mask; struct coresight_device *sink; struct etm_event_data *event_data = NULL; event_data = alloc_event_data(event_cpu); if (!event_data) return NULL; /* * In theory nothing prevent tracers in ...
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
void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, struct cifs_ses *ses) { NEGOTIATE_MESSAGE *sec_blob = (NEGOTIATE_MESSAGE *)pbuffer; __u32 flags; memset(pbuffer, 0, sizeof(NEGOTIATE_MESSAGE)); memcpy(sec_blob->Signature, NTLMSSP_SIGNATURE, 8); sec_blob->MessageType = NtLmNegotiate; /* BB is NTLMV...
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
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-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 mxf_read_primer_pack(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset) { MXFContext *mxf = arg; int item_num = avio_rb32(pb); int item_len = avio_rb32(pb); if (item_len != 18) { avpriv_request_sample(pb, "Primer pack item length %d", item_len); retur...
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 sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd *my_cmd) { struct scsi_cmnd *cmd, *n; list_for_each_entry_safe(cmd, n, error_q, eh_entry) { if (cmd->device->sdev_target == my_cmd->device->sdev_target && cmd->device->lun == my_cmd->device->lun) sas_eh_defer_cmd(cmd); } }
0
C
NVD-CWE-noinfo
null
null
null
vulnerable
static int encrypted_update(struct key *key, struct key_preparsed_payload *prep) { struct encrypted_key_payload *epayload = key->payload.data[0]; struct encrypted_key_payload *new_epayload; char *buf; char *new_master_desc = NULL; const char *format = NULL; size_t datalen = prep->datalen; int ret = 0; if (key_...
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 long btrfs_ioctl_dev_info(struct btrfs_fs_info *fs_info, void __user *arg) { struct btrfs_ioctl_dev_info_args *di_args; struct btrfs_device *dev; int ret = 0; char *s_uuid = NULL; di_args = memdup_user(arg, sizeof(*di_args)); if (IS_ERR(di_args)) return PTR_ERR(di_args); if (!btrfs_is_empty_uuid(...
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 int uio_mmap_physical(struct vm_area_struct *vma) { struct uio_device *idev = vma->vm_private_data; int mi = uio_find_mem_index(vma); struct uio_mem *mem; if (mi < 0) return -EINVAL; mem = idev->info->mem + mi; if (vma->vm_end - vma->vm_start > mem->size) return -EINVAL; vma->vm_ops = &uio_physical_...
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 host_start(struct ci13xxx *ci) { struct usb_hcd *hcd; struct ehci_hcd *ehci; int ret; if (usb_disabled()) return -ENODEV; hcd = usb_create_hcd(&ci_ehci_hc_driver, ci->dev, dev_name(ci->dev)); if (!hcd) return -ENOMEM; dev_set_drvdata(ci->dev, ci); hcd->rsrc_start = ci->hw_bank.phys; hcd->rsrc...
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 wrmsr_interception(struct vcpu_svm *svm) { struct msr_data msr; u32 ecx = svm->vcpu.arch.regs[VCPU_REGS_RCX]; u64 data = (svm->vcpu.arch.regs[VCPU_REGS_RAX] & -1u) | ((u64)(svm->vcpu.arch.regs[VCPU_REGS_RDX] & -1u) << 32); msr.data = data; msr.index = ecx; msr.host_initiated = false; svm->next_rip...
0
C
NVD-CWE-noinfo
null
null
null
vulnerable
struct mb2_cache_entry *mb2_cache_entry_find_first(struct mb2_cache *cache, u32 key) { return __entry_find(cache, NULL, key); }
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
cJSON *cJSON_DetachItemFromObject( cJSON *object, const char *string ) { int i = 0; cJSON *c = object->child; while ( c && cJSON_strcasecmp( c->string, string ) ) { ++i; c = c->next; } if ( c ) return cJSON_DetachItemFromArray( object, i ); return 0; }
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 void *bpf_any_get(void *raw, enum bpf_type type) { switch (type) { case BPF_TYPE_PROG: atomic_inc(&((struct bpf_prog *)raw)->aux->refcnt); break; case BPF_TYPE_MAP: bpf_map_inc(raw, true); break; default: WARN_ON_ONCE(1); break; } return raw; }
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 void vgacon_scrollback_switch(int vc_num) { if (!scrollback_persistent) vc_num = 0; if (!vgacon_scrollbacks[vc_num].data) { vgacon_scrollback_init(vc_num); } else { if (scrollback_persistent) { vgacon_scrollback_cur = &vgacon_scrollbacks[vc_num]; } else { size_t size = CONFIG_VGACON_SOFT_SCROLL...
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
batchInit(batch_t *pBatch, int maxElem) { DEFiRet; pBatch->iDoneUpTo = 0; pBatch->maxElem = maxElem; CHKmalloc(pBatch->pElem = calloc((size_t)maxElem, sizeof(batch_obj_t))); // TODO: replace calloc by inidividual writes? finalize_it: RETiRet; }
1
C
CWE-772
Missing Release of Resource after Effective Lifetime
The software does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
https://cwe.mitre.org/data/definitions/772.html
safe
static int MP4_ReadBox_String( stream_t *p_stream, MP4_Box_t *p_box ) { MP4_READBOX_ENTER( MP4_Box_data_string_t ); if( p_box->i_size < 8 || p_box->i_size > SIZE_MAX ) MP4_READBOX_EXIT( 0 ); p_box->data.p_string->psz_text = malloc( p_box->i_size + 1 - 8 ); /* +\0, -name, -size */ if( p_box->da...
1
C
CWE-704
Incorrect Type Conversion or Cast
The software does not correctly convert an object, resource, or structure from one type to a different type.
https://cwe.mitre.org/data/definitions/704.html
safe
int ext4_orphan_del(handle_t *handle, struct inode *inode) { struct list_head *prev; struct ext4_inode_info *ei = EXT4_I(inode); struct ext4_sb_info *sbi; __u32 ino_next; struct ext4_iloc iloc; int err = 0; /* ext4_handle_valid() assumes a valid handle_t pointer */ if (handle && !ext4_handle_valid(handle)) r...
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 ecryptfs_mmap(struct file *file, struct vm_area_struct *vma) { struct file *lower_file = ecryptfs_file_to_lower(file); /* * Don't allow mmap on top of file systems that don't support it * natively. If FILESYSTEM_MAX_STACK_DEPTH > 2 or ecryptfs * allows recursive mounting, this will need to be extend...
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
smtp_log_to_file(smtp_t *smtp) { FILE *fp = fopen("/tmp/smtp-alert.log", "a"); time_t now; struct tm tm; char time_buf[25]; int time_buf_len; time(&now); localtime_r(&now, &tm); time_buf_len = strftime(time_buf, sizeof time_buf, "%a %b %e %X %Y", &tm); fprintf(fp, "%s: %s -> %s\n" "%*sSubject: %s\n" ...
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 bt_tags_for_each(struct blk_mq_tags *tags, struct blk_mq_bitmap_tags *bt, unsigned int off, busy_tag_iter_fn *fn, void *data, bool reserved) { struct request *rq; int bit, i; if (!tags->rqs) return; for (i = 0; i < bt->map_nr; i++) { struct blk_align_bitmap *bm = &bt->map[i]; for (bit = find...
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
grub_ext4_find_leaf (struct grub_ext2_data *data, char *buf, struct grub_ext4_extent_header *ext_block, grub_uint32_t fileblock) { struct grub_ext4_extent_idx *index; while (1) { int i; grub_disk_addr_t block; index = (struct grub_ext4_extent_idx *) ...
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
check(str, sub, should) char *str; my_regmatch_t sub; char *should; { register int len; register int shlen; register char *p; static char grump[500]; register char *at = NULL; if (should != NULL && strcmp(should, "-") == 0) should = NULL; if (should != NULL && should[0] == '@') { at = should + 1; should =...
1
C
NVD-CWE-noinfo
null
null
null
safe
int perf_event_overflow(struct perf_event *event, struct perf_sample_data *data, struct pt_regs *regs) { return __perf_event_overflow(event, 1, data, regs); }
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
char *M_fs_path_tmpdir(M_fs_system_t sys_type) { char *d = NULL; char *out = NULL; M_fs_error_t res; #ifdef _WIN32 size_t len = M_fs_path_get_path_max(M_FS_SYSTEM_WINDOWS)+1; d = M_malloc_zero(len); /* Return is length without NULL. */ if (GetTempPath((DWORD)len, d) >= len) { M_free(d); d...
0
C
CWE-732
Incorrect Permission Assignment for Critical Resource
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
https://cwe.mitre.org/data/definitions/732.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-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 __inline__ int scm_check_creds(struct ucred *creds) { const struct cred *cred = current_cred(); kuid_t uid = make_kuid(cred->user_ns, creds->uid); kgid_t gid = make_kgid(cred->user_ns, creds->gid); if (!uid_valid(uid) || !gid_valid(gid)) return -EINVAL; if ((creds->pid == task_tgid_vnr(current) || ...
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 ffs_user_copy_worker(struct work_struct *work) { struct ffs_io_data *io_data = container_of(work, struct ffs_io_data, work); int ret = io_data->req->status ? io_data->req->status : io_data->req->actual; if (io_data->read && ret > 0) { use_mm(io_data->mm); ret = copy_to_iter(io_data->b...
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
batchCopyElem(batch_obj_t *pDest, batch_obj_t *pSrc) { memset(pDest, 0, sizeof(batch_obj_t)); pDest->pUsrp = pSrc->pUsrp; pDest->state = pSrc->state; }
1
C
CWE-772
Missing Release of Resource after Effective Lifetime
The software does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
https://cwe.mitre.org/data/definitions/772.html
safe
static void consume_one_event(unsigned cpu, struct evtchn_fifo_control_block *control_block, unsigned priority, unsigned long *ready, bool drop) { struct evtchn_fifo_queue *q = &per_cpu(cpu_queue, cpu); uint32_t head; evtchn_port_t port; event_word_t *word; head = q->head[priority]; /...
0
C
NVD-CWE-noinfo
null
null
null
vulnerable
void *ipc_rcu_alloc(int size) { void *out; /* * We prepend the allocation with the rcu struct, and * workqueue if necessary (for vmalloc). */ if (rcu_use_vmalloc(size)) { out = vmalloc(HDRLEN_VMALLOC + size); if (!out) goto done; out += HDRLEN_VMALLOC; container_of(out, struct ipc_rcu_hdr, data)->...
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
error_t lpc546xxEthSendPacket(NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary) { size_t length; //Retrieve the length of the packet length = netBufferGetLength(buffer) - offset; //Check the frame length if(length > LPC546XX_ETH_TX_BUFFER_SIZE) { //...
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
goto_tabpage(int n) { tabpage_T *tp = NULL; // shut up compiler tabpage_T *ttp; int i; if (text_locked()) { // Not allowed when editing the command line. text_locked_msg(); return; } CHECK_CMDWIN; // If there is only one it can't work. if (first_tabpage->tp_next == NULL) {...
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 btrfs_finish_sprout(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info) { struct btrfs_root *root = fs_info->chunk_root; struct btrfs_path *path; struct extent_buffer *leaf; struct btrfs_dev_item *dev_item; struct btrfs_device *device; struct btrfs_key key; u8 fs_uuid[BTRFS_FSID...
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
tabstop_set(char_u *var, int **array) { int valcount = 1; int t; char_u *cp; if (var[0] == NUL || (var[0] == '0' && var[1] == NUL)) { *array = NULL; return TRUE; } for (cp = var; *cp != NUL; ++cp) { if (cp == var || cp[-1] == ',') { char_u *end; if (strtol((char *)cp, (c...
0
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
vulnerable
static int init_nss_hash(struct crypto_instance *instance) { PK11SlotInfo* hash_slot = NULL; SECItem hash_param; if (!hash_to_nss[instance->crypto_hash_type]) { return 0; } hash_param.type = siBuffer; hash_param.data = 0; hash_param.len = 0; hash_slot = PK11_GetBestSlot(hash_to_nss[instance->crypto_hash_t...
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
long kvm_arch_vcpu_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { struct kvm_vcpu *vcpu = filp->private_data; void __user *argp = (void __user *)arg; switch (ioctl) { case KVM_ARM_VCPU_INIT: { struct kvm_vcpu_init init; if (copy_from_user(&init, argp, sizeof(init))) return -EFAULT; ...
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