CVE-2026-93821

CVE-2026-93821: vulnerability in Linux

PCI: altera: Protect root bus removal with rescan lock

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
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 products
Linux · Linux
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References
https://git.kernel.org/stable/c/442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3https://git.kernel.org/stable/c/4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7https://git.kernel.org/stable/c/7cbb8f2750d91e64caff89e164ac8280bb80bedchttps://git.kernel.org/stable/c/a8759c8ac48c0419f5899e95a6ffc611b07c965bhttps://git.kernel.org/stable/c/c0cd65906e5f7e293ef2568c9524cc0a918333c3https://git.kernel.org/stable/c/cf9d84d1b6a7c3f3780c043df220a7e9e38137ebhttps://git.kernel.org/stable/c/fc462f1bdeaea9789928cbfdf5e069ee559c7642