CVE-2026-93821
N/A
N/A
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]
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 < c0cd65906e5f7e293ef2568c9524cc0a918333c3 | affected |
| Linux | Linux | ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 < 7cbb8f2750d91e64caff89e164ac8280bb80bedc | affected |
| Linux | Linux | ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 < a8759c8ac48c0419f5899e95a6ffc611b07c965b | affected |
| Linux | Linux | 5.3 | affected |
| Linux | Linux | 0 < 5.3 | unaffected |
| Linux | Linux | 6.12.111 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.53 <= 6.18.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/c0cd65906e5f7e293ef2568c9524cc0a918333c3
- https://git.kernel.org/stable/c/7cbb8f2750d91e64caff89e164ac8280bb80bedc
- https://git.kernel.org/stable/c/a8759c8ac48c0419f5899e95a6ffc611b07c965b
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