CVE-2026-80551 | Linux Kernel up to 6.12.104/6.18.45/7.1.9 s390/vfio_ccw toctou

A vulnerability classified as very critical has been found in Linux Kernel up to 6.12.104/6.18.45/7.1.9. This vulnerability affects unknown code of the component s390/vfio_ccw. The manipulation leads to time-of-check time-of-use.

This vulnerability is traded as CVE-2026-80551. It is possible to initiate the attack remotely. There is no exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More