2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2024-50165",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-11-07T10:15:07.770",
"lastModified": "2024-11-22T16:53:05.527",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Preserve param->string when parsing mount options\n\nIn bpf_parse_param(), keep the value of param->string intact so it can\nbe freed later. Otherwise, the kmalloc area pointed to by param->string\nwill be leaked as shown below:\n\nunreferenced object 0xffff888118c46d20 (size 8):\n comm \"new_name\", pid 12109, jiffies 4295580214\n hex dump (first 8 bytes):\n 61 6e 79 00 38 c9 5c 7e any.8.\\~\n backtrace (crc e1b7f876):\n [<00000000c6848ac7>] kmemleak_alloc+0x4b/0x80\n [<00000000de9f7d00>] __kmalloc_node_track_caller_noprof+0x36e/0x4a0\n [<000000003e29b886>] memdup_user+0x32/0xa0\n [<0000000007248326>] strndup_user+0x46/0x60\n [<0000000035b3dd29>] __x64_sys_fsconfig+0x368/0x3d0\n [<0000000018657927>] x64_sys_call+0xff/0x9f0\n [<00000000c0cabc95>] do_syscall_64+0x3b/0xc0\n [<000000002f331597>] entry_SYSCALL_64_after_hwframe+0x4b/0x53"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: preservar param-&gt;string al analizar las opciones de montaje. En bpf_parse_param(), mantenga intacto el valor de param-&gt;string para que pueda liberarse m\u00e1s tarde. De lo contrario, el \u00e1rea kmalloc a la que apunta param-&gt;string se filtrar\u00e1 como se muestra a continuaci\u00f3n: objeto sin referencia 0xffff888118c46d20 (tama\u00f1o 8): comm \"new_name\", pid 12109, jiffies 4295580214 volcado hexadecimal (primeros 8 bytes): 61 6e 79 00 38 c9 5c 7e any.8.\\~ backtrace (crc e1b7f876): [&lt;00000000c6848ac7&gt;] kmemleak_alloc+0x4b/0x80 [&lt;00000000de9f7d00&gt;] __kmalloc_node_track_caller_noprof+0x36e/0x4a0 [&lt;000000003e29b886&gt;] memdup_user+0x32/0xa0 [&lt;0000000007248326&gt;] strndup_user+0x46/0x60 [&lt;0000000035b3dd29&gt;] __x64_sys_fsconfig+0x368/0x3d0 [&lt;0000000018657927&gt;] x64_sys_call+0xff/0x9f0 [&lt;00000000c0cabc95&gt;] do_syscall_64+0x3b/0xc0 [&lt;000000002f331597&gt;] entrada_SYSCALL_64_after_hwframe+0x4b/0x53"
}
],
"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",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.9",
"versionEndExcluding": "6.11.6",
"matchCriteriaId": "2132686D-AA83-479C-98CA-4B9F24436525"
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"references": [
{
"url": "https://git.kernel.org/stable/c/1f97c03f43fadc407de5b5cb01c07755053e1c22",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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]
},
{
"url": "https://git.kernel.org/stable/c/5d7a0a426540319327309035509cb768a2f5c2c4",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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}