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

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{
"id": "CVE-2024-41032",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-07-29T15:15:11.850",
"lastModified": "2024-11-21T09:32:06.257",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: vmalloc: check if a hash-index is in cpu_possible_mask\n\nThe problem is that there are systems where cpu_possible_mask has gaps\nbetween set CPUs, for example SPARC. In this scenario addr_to_vb_xa()\nhash function can return an index which accesses to not-possible and not\nsetup CPU area using per_cpu() macro. This results in an oops on SPARC.\n\nA per-cpu vmap_block_queue is also used as hash table, incorrectly\nassuming the cpu_possible_mask has no gaps. Fix it by adjusting an index\nto a next possible CPU."
},
{
"lang": "es",
"value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm: vmalloc: comprueba si hay un \u00edndice hash en cpu_possible_mask El problema es que hay sistemas donde cpu_possible_mask tiene espacios entre las CPU configuradas, por ejemplo SPARC. En este escenario, la funci\u00f3n hash addr_to_vb_xa() puede devolver un \u00edndice que accede a un \u00e1rea de CPU no posible y no configurada usando la macro per_cpu(). Esto da como resultado un \u00a1Uy en SPARC! Tambi\u00e9n se utiliza una vmap_block_queue por CPU como tabla hash, asumiendo incorrectamente que cpu_possible_mask no tiene espacios. Solucionarlo ajustando un \u00edndice a la siguiente CPU posible."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/28acd531c9a365dac01b32e6bc54aed8c1429bcb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/47f9b6e49b422392fb0e348a65eb925103ba1882",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a34acf30b19bc4ee3ba2f1082756ea2604c19138",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/28acd531c9a365dac01b32e6bc54aed8c1429bcb",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/47f9b6e49b422392fb0e348a65eb925103ba1882",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/a34acf30b19bc4ee3ba2f1082756ea2604c19138",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
]
}