PCI: altera: Protect root bus removal with rescan lock
In the Linux kernel, the following vulnerability has been resolved: PCI: altera: 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-2026-93821
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-2026-93821
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": "ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22",
"lessThan": "cf9d84d1b6a7c3f3780c043df220a7e9e38137eb",
"versionType": "git"
},
{
"status": "affected",
"version": "ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22",
"lessThan": "fc462f1bdeaea9789928cbfdf5e069ee559c7642",
"versionType": "git"
},
{
"status": "affected",
"version": "ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22",
"lessThan": "442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3",
"versionType": "git"
},
{
"status": "affected",
"version": "ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22",
"lessThan": "4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7",
"versionType": "git"
},
{
"status": "affected",
"version": "ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22",
"lessThan": "c0cd65906e5f7e293ef2568c9524cc0a918333c3",
"versionType": "git"
},
{
"status": "affected",
"version": "ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22",
"lessThan": "7cbb8f2750d91e64caff89e164ac8280bb80bedc",
"versionType": "git"
},
{
"status": "affected",
"version": "ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22",
"lessThan": "a8759c8ac48c0419f5899e95a6ffc611b07c965b",
"versionType": "git"
}
],
"programFiles": [
"drivers/pci/controller/pcie-altera.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.3"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.3",
"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-altera.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-93821
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #8292 · Revision 1
- Added to Heist Feed
- Publisher date