All vulnerabilities
CVE-2026-93818

Linux: PCI: plda: Protect root bus removal with rescan lock

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in105f212a21cc6bef6855841216dd476022626170Also 4e4f9745f016c1631d00a4035b06f6e75d449e01CVE List
Published24 Sep 2026Updated 25 Sep 2026CVE List

What fixes it

  • 105f212a21cc6bef6855841216dd476022626170LinuxCVE List
  • 4e4f9745f016c1631d00a4035b06f6e75d449e01LinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

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]

Text from CVE List

Affected versions 8

  • Linuxaffected: 76c9113968079140cb2f885631db422170f32105 before 105f212a21cc6bef6855841216dd476022626170CVE List
  • Linuxaffected: 76c9113968079140cb2f885631db422170f32105 before cb78a1d7a2787758a2d8e1182c346d4349f43260CVE List
  • Linuxaffected: 76c9113968079140cb2f885631db422170f32105 before 4e4f9745f016c1631d00a4035b06f6e75d449e01CVE List
  • Linuxaffected: 6.11CVE List
  • Linuxunaffected: all versions before 6.11CVE List
  • Linuxunaffected: 6.12.111 through 6.12.*CVE List
  • Linuxunaffected: 6.18.53 through 6.18.*CVE List
  • Linuxunaffected: 7.2CVE List

References 3