2024-09-16 14:03:26 +00:00

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{
"id": "CVE-2024-44996",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-09-04T20:15:08.413",
"lastModified": "2024-09-16T12:21:47.370",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvsock: fix recursive ->recvmsg calls\n\nAfter a vsock socket has been added to a BPF sockmap, its prot->recvmsg\nhas been replaced with vsock_bpf_recvmsg(). Thus the following\nrecursiion could happen:\n\nvsock_bpf_recvmsg()\n -> __vsock_recvmsg()\n -> vsock_connectible_recvmsg()\n -> prot->recvmsg()\n -> vsock_bpf_recvmsg() again\n\nWe need to fix it by calling the original ->recvmsg() without any BPF\nsockmap logic in __vsock_recvmsg()."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: vsock: corregir llamadas recursivas ->recvmsg Despu\u00e9s de que se ha a\u00f1adido un socket vsock a un sockmap BPF, su prot->recvmsg se ha reemplazado por vsock_bpf_recvmsg(). Por lo tanto, podr\u00eda ocurrir la siguiente recursi\u00f3n: vsock_bpf_recvmsg() -> __vsock_recvmsg() -> vsock_connectible_recvmsg() -> prot->recvmsg() -> vsock_bpf_recvmsg() de nuevo Necesitamos solucionarlo llamando al ->recvmsg() original sin ninguna l\u00f3gica sockmap BPF en __vsock_recvmsg()."
}
],
"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-674"
}
]
}
],
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"references": [
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"url": "https://git.kernel.org/stable/c/69139d2919dd4aa9a553c8245e7c63e82613e3fc",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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