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CVE-2026-93821

PCI: altera: Protect root bus removal with rescan lock

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, and 1 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: PCI: altera: 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]

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 · fixed in cf9d84d1b6a7c3f3780c043df220a7e9e38137eb; From ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 · fixed in fc462f1bdeaea9789928cbfdf5e069ee559c7642; From ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 · fixed in 442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3; From ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 · fixed in 4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7; From ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 · fixed in c0cd65906e5f7e293ef2568c9524cc0a918333c3; From ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 · fixed in 7cbb8f2750d91e64caff89e164ac8280bb80bedc; From ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 · fixed in a8759c8ac48c0419f5899e95a6ffc611b07c965b

  • Linux Linux

    5.3

  • KernelLinux

    From 5.3.0 · fixed in 5.10.271; From 5.11.0 · fixed in 5.15.222; From 5.16.0 · fixed in 6.1.189; From 6.2.0 · fixed in 6.6.158; From 6.7.0 · fixed in 6.12.111; From 6.13.0 · fixed in 6.18.53

References 7

git.kernel.org