What’s Vulnerable › Vulnerabilities

CVE-2026-93818: PCI: plda: Protect root bus removal with rescan lock

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-09-25

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 products

• Linux kernel: 6.11 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/105f212a21cc6bef6855841216dd476022626170
• https://git.kernel.org/stable/c/4e4f9745f016c1631d00a4035b06f6e75d449e01
• https://git.kernel.org/stable/c/cb78a1d7a2787758a2d8e1182c346d4349f43260

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