CVE-2026-98498
Estado: RecibidaSin puntuar—
Gravedad—Sin puntuar
Probabilidad de explotación0.21 %mayor que el 11 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado
En el kernel de Linux se ha resuelto la siguiente vulnerabilidad:
net/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get()
Cuando se encuentra la entrada inversa pero su contador ya se está liberando, refcount_inc_not_zero() falla y la referencia obtenida por mlx5_tc_ct_entry_get() nunca se libera antes de continuar hacia create_counter. Se libera para que la entrada inversa no quede activa indefinidamente por una búsqueda de contador compartido que no la utilizó.
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
- 11
- 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 8 referencias
- https://git.kernel.org/stable/c/0bf6bb567f0edaa771e7dd208ef98da50e6a4485
- https://git.kernel.org/stable/c/1f13989a0704bd98cab09f9bee63e2c8a98ad4dd
- https://git.kernel.org/stable/c/288721013605b4e0304e10f6a087b77f71cfad11
- https://git.kernel.org/stable/c/598daa5f95883f881a54967da40ce0fdfc1fdaa8
- https://git.kernel.org/stable/c/60eab87d0a798070bf5a856b1d9e5785ce92da53
- https://git.kernel.org/stable/c/79a3257280a335bbebbcd10d3895e8468bdcd6ae
- https://git.kernel.org/stable/c/99d8dc51663747078c031acac32edc6d90c8f1f7
- https://git.kernel.org/stable/c/c45c997d0c27359b502587897f775c5a277f0bd4
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-98498",
"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": "1edae2335adfa7006853e8b427f0c7c3f46b51dd",
"lessThan": "598daa5f95883f881a54967da40ce0fdfc1fdaa8",
"versionType": "git"
},
{
"status": "affected",
"version": "1edae2335adfa7006853e8b427f0c7c3f46b51dd",
"lessThan": "79a3257280a335bbebbcd10d3895e8468bdcd6ae",
"versionType": "git"
},
{
"status": "affected",
"version": "1edae2335adfa7006853e8b427f0c7c3f46b51dd",
"lessThan": "c45c997d0c27359b502587897f775c5a277f0bd4",
"versionType": "git"
},
{
"status": "affected",
"version": "1edae2335adfa7006853e8b427f0c7c3f46b51dd",
"lessThan": "288721013605b4e0304e10f6a087b77f71cfad11",
"versionType": "git"
},
{
"status": "affected",
"version": "1edae2335adfa7006853e8b427f0c7c3f46b51dd",
"lessThan": "60eab87d0a798070bf5a856b1d9e5785ce92da53",
"versionType": "git"
},
{
"status": "affected",
"version": "1edae2335adfa7006853e8b427f0c7c3f46b51dd",
"lessThan": "99d8dc51663747078c031acac32edc6d90c8f1f7",
"versionType": "git"
},
{
"status": "affected",
"version": "1edae2335adfa7006853e8b427f0c7c3f46b51dd",
"lessThan": "1f13989a0704bd98cab09f9bee63e2c8a98ad4dd",
"versionType": "git"
},
{
"status": "affected",
"version": "1edae2335adfa7006853e8b427f0c7c3f46b51dd",
"lessThan": "0bf6bb567f0edaa771e7dd208ef98da50e6a4485",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.10"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.10",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.271",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.222",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.189",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.158",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"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": [
"drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-10-18T16:17:00.797",
"references": [
{
"url": "https://git.kernel.org/stable/c/0bf6bb567f0edaa771e7dd208ef98da50e6a4485",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/1f13989a0704bd98cab09f9bee63e2c8a98ad4dd",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/288721013605b4e0304e10f6a087b77f71cfad11",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/598daa5f95883f881a54967da40ce0fdfc1fdaa8",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/60eab87d0a798070bf5a856b1d9e5785ce92da53",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/79a3257280a335bbebbcd10d3895e8468bdcd6ae",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/99d8dc51663747078c031acac32edc6d90c8f1f7",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c45c997d0c27359b502587897f775c5a277f0bd4",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get()\n\nWhen the reverse entry is found but its counter is already being\nreleased, refcount_inc_not_zero() fails and the reference taken by\nmlx5_tc_ct_entry_get() is never dropped before falling through to\ncreate_counter. Drop it so the reverse entry is not kept alive forever\nby a shared counter lookup that did not use it."
}
],
"lastModified": "2026-10-19T10:19:02.553",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}