CVE-2026-80549 | Linux Kernel up to 6.6.152/6.12.104/6.18.45/7.1.9 s390/vfio_ccw fsm_notoper locking

A vulnerability labeled as very critical has been found in Linux Kernel up to 6.6.152/6.12.104/6.18.45/7.1.9. This affects the function fsm_notoper of the component s390/vfio_ccw. The manipulation results in improper locking.

This vulnerability is reported as CVE-2026-80549. The attack can be launched remotely. No exploit exists.

The affected component should be upgraded.VulDB Recent EntriesRead More