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CVE-2026-93818

Unknown

Last modified

CVE-2026-93818 is a vulnerability of currently unknown severity. 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].

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]

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 76c9113968079140cb2f885631db422170f32105, < 105f212a21cc6bef6855841216dd476022626170; >= 76c9113968079140cb2f885631db422170f32105, < cb78a1d7a2787758a2d8e1182c346d4349f43260; >= 76c9113968079140cb2f885631db422170f32105, < 4e4f9745f016c1631d00a4035b06f6e75d449e01
LinuxLinux6.11

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is 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]
How severe is CVE-2026-93818?
Severity scoring for CVE-2026-93818 is pending analysis.
How do I fix CVE-2026-93818?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST