CVE-2026-68317
Estado: RecibidaSin puntuar—
In the Linux kernel, the following vulnerability has been resolved:
pds_core: fix auxiliary device add/del races
Two paths add or delete the same slot (pf->vfs[vf_id].padev): a VF's pdsc_reset_done() and the PF's devlink enable_vnet/disable_vnet handler. They serialize on config_lock, but neither guards the slot under it correctly.
add() registers and stores a new auxiliary device without first checking the slot, so a second add of an already-populated slot leaks the first device. del() makes that check outside config_lock, so two concurrent dels can both pass it; the first clears the slot, and the second dereferences a NULL pointer.
Leer descripción completaMostrar menos
Check and update the slot under config_lock in both paths.
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: 6/10/2026
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
- https://git.kernel.org/stable/c/646b58b543f3bb1641e9123b75ff7799fe7b42f1
- https://git.kernel.org/stable/c/bdeab32a7a91acd295d52a2d4ab1cc3f2da5e454
- https://git.kernel.org/stable/c/bfa33cd513c7ceb93c5a4c30e5662acd73c0a916
- https://git.kernel.org/stable/c/cf0ed2ba202f5c3b300ec1bf7ff0b5d555f7d518
- https://git.kernel.org/stable/c/ef194751fed50cf3452017b63f00142a0ab40c70
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-68317",
"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": "0861fccd43b8bafb533d97308862d20b7db3a2ad",
"lessThan": "646b58b543f3bb1641e9123b75ff7799fe7b42f1",
"versionType": "git"
},
{
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"lessThan": "ef194751fed50cf3452017b63f00142a0ab40c70",
"versionType": "git"
},
{
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"versionType": "git"
},
{
"status": "affected",
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"versionType": "git"
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{
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"versionType": "git"
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{
"status": "affected",
"version": "fec5f7af1d5f64a38f9224cd27b274d1af55a7ed",
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{
"status": "affected",
"version": "6.6.90",
"lessThan": "6.6.148",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.12.28",
"lessThan": "6.12.101",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.14.6",
"lessThan": "6.15",
"versionType": "semver"
}
],
"programFiles": [
"drivers/net/ethernet/amd/pds_core/auxbus.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.148",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.101",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.42",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.6",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/ethernet/amd/pds_core/auxbus.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-08-10T13:20:21.690",
"references": [
{
"url": "https://git.kernel.org/stable/c/646b58b543f3bb1641e9123b75ff7799fe7b42f1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/bdeab32a7a91acd295d52a2d4ab1cc3f2da5e454",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/bfa33cd513c7ceb93c5a4c30e5662acd73c0a916",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/cf0ed2ba202f5c3b300ec1bf7ff0b5d555f7d518",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ef194751fed50cf3452017b63f00142a0ab40c70",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: fix auxiliary device add/del races\n\nTwo paths add or delete the same slot (pf->vfs[vf_id].padev): a VF's\npdsc_reset_done() and the PF's devlink enable_vnet/disable_vnet handler.\nThey serialize on config_lock, but neither guards the slot under it\ncorrectly.\n\nadd() registers and stores a new auxiliary device without first checking\nthe slot, so a second add of an already-populated slot leaks the first\ndevice. del() makes that check outside config_lock, so two concurrent\ndels can both pass it; the first clears the slot, and the second\ndereferences a NULL pointer.\n\nCheck and update the slot under config_lock in both paths."
}
],
"lastModified": "2026-08-17T05:18:34.620",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}