2024-07-05 10:03:12 +00:00

92 lines
3.4 KiB
JSON

{
"id": "CVE-2023-52760",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-21T16:15:15.410",
"lastModified": "2024-07-05T08:15:02.230",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix slab-use-after-free in gfs2_qd_dealloc\n\nIn gfs2_put_super(), whether withdrawn or not, the quota should\nbe cleaned up by gfs2_quota_cleanup().\n\nOtherwise, struct gfs2_sbd will be freed before gfs2_qd_dealloc (rcu\ncallback) has run for all gfs2_quota_data objects, resulting in\nuse-after-free.\n\nAlso, gfs2_destroy_threads() and gfs2_quota_cleanup() is already called\nby gfs2_make_fs_ro(), so in gfs2_put_super(), after calling\ngfs2_make_fs_ro(), there is no need to call them again."
},
{
"lang": "es",
"value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: gfs2: corrige slab-use-after-free en gfs2_qd_dealloc. En gfs2_put_super(), ya sea retirada o no, gfs2_quota_cleanup() debe limpiar la cuota. De lo contrario, la estructura gfs2_sbd se liberar\u00e1 antes de que se ejecute gfs2_qd_dealloc (devoluci\u00f3n de llamada de rcu) para todos los objetos gfs2_quota_data, lo que dar\u00e1 como resultado un use after free. Adem\u00e1s, gfs2_destroy_threads() y gfs2_quota_cleanup() ya son llamados por gfs2_make_fs_ro(), por lo que en gfs2_put_super(), despu\u00e9s de llamar a gfs2_make_fs_ro(), no es necesario volver a llamarlos."
}
],
"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:H/I:H/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.3",
"matchCriteriaId": "24DFB8C6-5FA0-4F09-BFF5-391E59AE9F03"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/08a28272faa750d4357ea2cb48d2baefd778ea81",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/7ad4e0a4f61c57c3ca291ee010a9d677d0199fba",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/bdcb8aa434c6d36b5c215d02a9ef07551be25a37",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
}
]
}