CVE-2026-90421: Linux

EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix UAF when probe runs concurrent to dyn ID removal Dynamic IDs are only guaranteed to be valid when dynids.lock is held, as remove_id_store() can free the node. Thus, make a copy in pci_match_device(). Also, clarify that the id parameter is only valid during probe.

Affected products

• Linux Linux: from 2.6.30, before 7.2.6 (fixed in 7.2.6)

Published 2026-09-17. Last modified 2026-09-17.