CVE-2026-93818

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]

Package Linux Kernel
Published 2026-09-24
Last modified 2026-09-25
Patch available
Yes

Affected versions

Linux kernel versions 6.11 and later are affected. Fixed in 6.12.111, 6.18.53, 7.2 and their respective stable series.

Affected from
≥ 6.11
Fixed in
✓ 6.12.111 6.12.x ✓ 6.18.53 6.18.x ✓ 7.2

References

3 total

Frequently asked questions

  • What is CVE-2026-93818?

    CVE-2026-93818 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.11 onward and has been patched in 6.12.111, 6.18.53 and 7.2. CVE-2026-93818 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-93818?

    Yes. CVE-2026-93818 has been patched. Fixed versions include 6.12.111, 6.18.53 and 7.2. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-93818 actively exploited?

    No. CVE-2026-93818 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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