CVE-2026-93820
In the Linux kernel, the following vulnerability has been resolved:
PCI: rockchip: Protect root bus removal with rescan lock
Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes.
[bhelgaas: commit log]
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: 0.17%
- Percentil entre todas las CVEs puntuadas: 6
- 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/025308e7c9cd10112b73558c9f63f8f7285fa726
- https://git.kernel.org/stable/c/0bd9611587bb494c33566d825fe34b2705e4b167
- https://git.kernel.org/stable/c/5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652
- https://git.kernel.org/stable/c/9b19201f57d87c4d0777621275dbc59bff41b7f2
- https://git.kernel.org/stable/c/ac47d42901859edb504a2890a3a5709c86dbc0c3
- https://git.kernel.org/stable/c/eaeb9bed3641741aceb0add84a97023bed61e748
- https://git.kernel.org/stable/c/ebca7e5947720e9d4bd918af3e17720270c50744
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-93820",
"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": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "025308e7c9cd10112b73558c9f63f8f7285fa726",
"versionType": "git"
},
{
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"versionType": "git"
},
{
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"versionType": "git"
},
{
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"versionType": "git"
},
{
"status": "affected",
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"versionType": "git"
},
{
"status": "affected",
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "9b19201f57d87c4d0777621275dbc59bff41b7f2",
"versionType": "git"
},
{
"status": "affected",
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "0bd9611587bb494c33566d825fe34b2705e4b167",
"versionType": "git"
}
],
"programFiles": [
"drivers/pci/controller/pcie-rockchip-host.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.12"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.12",
"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": "6.12.111",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.53",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/pci/controller/pcie-rockchip-host.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-09-24T17:17:15.573",
"references": [
{
"url": "https://git.kernel.org/stable/c/025308e7c9cd10112b73558c9f63f8f7285fa726",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/0bd9611587bb494c33566d825fe34b2705e4b167",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9b19201f57d87c4d0777621275dbc59bff41b7f2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ac47d42901859edb504a2890a3a5709c86dbc0c3",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/eaeb9bed3641741aceb0add84a97023bed61e748",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ebca7e5947720e9d4bd918af3e17720270c50744",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: rockchip: Protect root bus removal with rescan lock\n\nHold the pci_rescan_remove_lock lock while stopping and removing a root bus\nto avoid racing with concurrent rescan or hotplug operations triggered via\nsysfs. Such races may lead to use-after-free issues or system crashes.\n\n[bhelgaas: commit log]"
}
],
"lastModified": "2026-10-03T11:17:51.790",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}