CVE-2026-93821PCI: altera: Protect root bus removal with rescan lock
Updated under an hour ago ()
Does this affect you?
It affects Linux. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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
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
- 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.