CVE-2026-98534
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:
ipe: corrige use-after-free al auditar una política recién cargada
new_policy() audita la política después de que ipe_new_policyfs_node() la publique y libere el bloqueo de inodo del nuevo directorio. Una eliminación concurrente puede liberar la política mientras ipe_audit_policy_load() todavía la está usando.
Audita la carga correcta bajo ese bloqueo.
[FW: remove model name according to latest guideline]
Traducción automática del texto original de NVD (en inglés).
CVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.21 %
- Percentil entre todas las CVEs puntuadas
- 10
- Fecha de la puntuación
- 20/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
Mostrar las 4 referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-98534",
"cveTags": [],
"metrics": {},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "f44554b5067b36c14cc91ed811fa1bd58baed34a",
"lessThan": "b72d6c72b4bfbc021e8e127fa13e0f27d09be737",
"versionType": "git"
},
{
"status": "affected",
"version": "f44554b5067b36c14cc91ed811fa1bd58baed34a",
"lessThan": "48f7d0233c3cc8d986d1177d0e5dd4af435e7265",
"versionType": "git"
},
{
"status": "affected",
"version": "f44554b5067b36c14cc91ed811fa1bd58baed34a",
"lessThan": "e9015d32752fa228ef2f0e07fd93fc53a4a4c723",
"versionType": "git"
},
{
"status": "affected",
"version": "f44554b5067b36c14cc91ed811fa1bd58baed34a",
"lessThan": "9814077275eca36ebf8d510d2f076d235ff9f51a",
"versionType": "git"
}
],
"programFiles": [
"security/ipe/fs.c",
"security/ipe/policy_fs.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.12"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.12",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.112",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.55",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.9",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"security/ipe/fs.c",
"security/ipe/policy_fs.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-10-18T16:17:05.107",
"references": [
{
"url": "https://git.kernel.org/stable/c/48f7d0233c3cc8d986d1177d0e5dd4af435e7265",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9814077275eca36ebf8d510d2f076d235ff9f51a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b72d6c72b4bfbc021e8e127fa13e0f27d09be737",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e9015d32752fa228ef2f0e07fd93fc53a4a4c723",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipe: fix use-after-free when auditing a newly loaded policy\n\nnew_policy() audits the policy after ipe_new_policyfs_node() publishes it\nand drops the new directory's inode lock. A concurrent delete can free\nthe policy while ipe_audit_policy_load() is still using it.\n\nAudit the successful load under that lock.\n\n[FW: remove model name according to latest guideline]"
}
],
"lastModified": "2026-10-19T10:19:08.960",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}