CVE-2026-93818

Summary

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]

Affected Software

VendorProductVersion RangeStatus
LinuxLinux76c9113968079140cb2f885631db422170f32105 < 105f212a21cc6bef6855841216dd476022626170affected
LinuxLinux76c9113968079140cb2f885631db422170f32105 < cb78a1d7a2787758a2d8e1182c346d4349f43260affected
LinuxLinux76c9113968079140cb2f885631db422170f32105 < 4e4f9745f016c1631d00a4035b06f6e75d449e01affected
LinuxLinux6.11affected
LinuxLinux0 < 6.11unaffected
LinuxLinux6.12.111 <= 6.12.*unaffected
LinuxLinux6.18.53 <= 6.18.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References