2024-09-06 18:03:18 +00:00

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{
"id": "CVE-2024-44992",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-09-04T20:15:08.207",
"lastModified": "2024-09-06T16:29:28.963",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: avoid possible NULL dereference in cifs_free_subrequest()\n\nClang static checker (scan-build) warning:\n\tcifsglob.h:line 890, column 3\n\tAccess to field 'ops' results in a dereference of a null pointer.\n\nCommit 519be989717c (\"cifs: Add a tracepoint to track credits involved in\nR/W requests\") adds a check for 'rdata->server', and let clang throw this\nwarning about NULL dereference.\n\nWhen 'rdata->credits.value != 0 && rdata->server == NULL' happens,\nadd_credits_and_wake_if() will call rdata->server->ops->add_credits().\nThis will cause NULL dereference problem. Add a check for 'rdata->server'\nto avoid NULL dereference."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: smb/client: evitar posible desreferencia NULL en cifs_free_subrequest() Advertencia del verificador est\u00e1tico de Clang (scan-build): cifsglob.h:l\u00ednea 890, columna 3 El acceso al campo 'ops' da como resultado una desreferencia de un puntero nulo. El commit 519be989717c (\"cifs: Agregar un punto de seguimiento para rastrear cr\u00e9ditos involucrados en solicitudes R/W\") agrega una verificaci\u00f3n para 'rdata->server' y permite que clang lance esta advertencia sobre la desreferencia NULL. Cuando sucede 'rdata->credits.value != 0 && rdata->server == NULL', add_credits_and_wake_if() llamar\u00e1 a rdata->server->ops->add_credits(). Esto causar\u00e1 un problema de desreferencia NULL. Agregue una verificaci\u00f3n para 'rdata->server' para evitar la desreferencia NULL."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.10",
"versionEndExcluding": "6.10.7",
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"references": [
{
"url": "https://git.kernel.org/stable/c/74c2ab6d653b4c2354df65a7f7f2df1925a40a51",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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{
"url": "https://git.kernel.org/stable/c/fead60a6d5f84b472b928502a42c419253afe6c1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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