PCI: mediatek: Protect root bus removal with rescan lock
In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek: 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]
CVE-2026-93819
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-93819
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "031337ace2d1c22a447da6390716fe92592cdd6e",
"lessThan": "d54417acb22d9e8bc404a8598330bc9729ee7146",
"versionType": "git"
},
{
"status": "affected",
"version": "031337ace2d1c22a447da6390716fe92592cdd6e",
"lessThan": "5dd379acfa38c516e904bcfa693502cd585a0bba",
"versionType": "git"
},
{
"status": "affected",
"version": "031337ace2d1c22a447da6390716fe92592cdd6e",
"lessThan": "8d910649725955435c6a807944108bca0570712d",
"versionType": "git"
},
{
"status": "affected",
"version": "031337ace2d1c22a447da6390716fe92592cdd6e",
"lessThan": "31e33dcc896527b3ad790fdc6aa6b8d2995c078b",
"versionType": "git"
},
{
"status": "affected",
"version": "031337ace2d1c22a447da6390716fe92592cdd6e",
"lessThan": "c57b971765f835138fa2fce3f2a171b004cbb114",
"versionType": "git"
},
{
"status": "affected",
"version": "031337ace2d1c22a447da6390716fe92592cdd6e",
"lessThan": "a568939487dcbc1a3e341208585e224be897e25e",
"versionType": "git"
},
{
"status": "affected",
"version": "031337ace2d1c22a447da6390716fe92592cdd6e",
"lessThan": "a29812a55da8d0dbeb071b26ac428c338e3fc389",
"versionType": "git"
}
],
"programFiles": [
"drivers/pci/controller/pcie-mediatek.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.20"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.20",
"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-mediatek.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-93819
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #8291 · Revision 1
- Added to Heist Feed
- Publisher date