PCI: plda: Protect root bus removal with rescan lock
In the Linux kernel, the following vulnerability has been resolved: PCI: plda: 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-2026-93818
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-2026-93818
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": "76c9113968079140cb2f885631db422170f32105",
"lessThan": "105f212a21cc6bef6855841216dd476022626170",
"versionType": "git"
},
{
"status": "affected",
"version": "76c9113968079140cb2f885631db422170f32105",
"lessThan": "cb78a1d7a2787758a2d8e1182c346d4349f43260",
"versionType": "git"
},
{
"status": "affected",
"version": "76c9113968079140cb2f885631db422170f32105",
"lessThan": "4e4f9745f016c1631d00a4035b06f6e75d449e01",
"versionType": "git"
}
],
"programFiles": [
"drivers/pci/controller/plda/pcie-plda-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": "6.11"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.11",
"versionType": "semver"
},
{
"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/plda/pcie-plda-host.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-93818
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #2033 · Revision 1
- Added to Heist Feed
- Publisher date