CVE-2026-80548 | Linux Kernel up to 6.6.152/6.12.104/6.18.45/7.1.9 s390-vfio_ccw vfio_ccw.c cp_free race condition

A vulnerability, which was classified 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 cp_free of the file drivers/s390/vfio_ccw/vfio_ccw.c of the component s390-vfio_ccw. The manipulation leads to race condition.

This vulnerability is uniquely identified as CVE-2026-80548. The attack is possible to be carried out remotely. No exploit exists.

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