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vuln-cve/data/2026/93xxx/CVE-2026-93820.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-93820",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-18T17:59:28.791Z",
"datePublished": "2026-09-24T16:02:58.625Z",
"dateUpdated": "2026-10-03T10:57:51.365Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-03T10:57:51.365Z"
},
"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]"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/pci/controller/pcie-rockchip-host.c"
],
"versions": [
{
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "025308e7c9cd10112b73558c9f63f8f7285fa726",
"status": "affected",
"versionType": "git"
},
{
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "ac47d42901859edb504a2890a3a5709c86dbc0c3",
"status": "affected",
"versionType": "git"
},
{
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "eaeb9bed3641741aceb0add84a97023bed61e748",
"status": "affected",
"versionType": "git"
},
{
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652",
"status": "affected",
"versionType": "git"
},
{
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "ebca7e5947720e9d4bd918af3e17720270c50744",
"status": "affected",
"versionType": "git"
},
{
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "9b19201f57d87c4d0777621275dbc59bff41b7f2",
"status": "affected",
"versionType": "git"
},
{
"version": "073d3dbe9a7c38888d8dafe09df421b174a6cffa",
"lessThan": "0bd9611587bb494c33566d825fe34b2705e4b167",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/pci/controller/pcie-rockchip-host.c"
],
"versions": [
{
"version": "4.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.12",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.271",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.222",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.189",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.158",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.111",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.53",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.12",
"versionEndExcluding": "5.10.271"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.12",
"versionEndExcluding": "5.15.222"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.12",
"versionEndExcluding": "6.1.189"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.12",
"versionEndExcluding": "6.6.158"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.12",
"versionEndExcluding": "6.12.111"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.12",
"versionEndExcluding": "6.18.53"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.12",
"versionEndExcluding": "7.2"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/025308e7c9cd10112b73558c9f63f8f7285fa726"
},
{
"url": "https://git.kernel.org/stable/c/ac47d42901859edb504a2890a3a5709c86dbc0c3"
},
{
"url": "https://git.kernel.org/stable/c/eaeb9bed3641741aceb0add84a97023bed61e748"
},
{
"url": "https://git.kernel.org/stable/c/5d566ac3a055f0a6f4890ff0af7cfd7e8ed89652"
},
{
"url": "https://git.kernel.org/stable/c/ebca7e5947720e9d4bd918af3e17720270c50744"
},
{
"url": "https://git.kernel.org/stable/c/9b19201f57d87c4d0777621275dbc59bff41b7f2"
},
{
"url": "https://git.kernel.org/stable/c/0bd9611587bb494c33566d825fe34b2705e4b167"
}
],
"title": "PCI: rockchip: Protect root bus removal with rescan lock",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}