Not yet scoredPublished Sep 24, 2026

CVE-2026-93821PCI: altera: Protect root bus removal with rescan lock

Updated under an hour ago (Oct 28, 2026, 7:00 AM ET)

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Exploited in the last 30 days

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]

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 before cf9d84d1b6a7c3f3780c043df220a7e9e38137eb; from ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 before fc462f1bdeaea9789928cbfdf5e069ee559c7642; from ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 before 442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3; from ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 before 4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7; from ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 before c0cd65906e5f7e293ef2568c9524cc0a918333c3; from ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 before 7cbb8f2750d91e64caff89e164ac8280bb80bedc; from ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 before a8759c8ac48c0419f5899e95a6ffc611b07c965b	CNA record

References

References

https://git.kernel.org/stable/c/cf9d84d1b6a7c3f3780c043df220a7e9e38137eb
https://git.kernel.org/stable/c/fc462f1bdeaea9789928cbfdf5e069ee559c7642
https://git.kernel.org/stable/c/442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3
https://git.kernel.org/stable/c/4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7
https://git.kernel.org/stable/c/c0cd65906e5f7e293ef2568c9524cc0a918333c3
https://git.kernel.org/stable/c/7cbb8f2750d91e64caff89e164ac8280bb80bedc
https://git.kernel.org/stable/c/a8759c8ac48c0419f5899e95a6ffc611b07c965b

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.