CVE-2026-89655 | Linux Kernel up to 6.12.108/6.18.49/7.2.3 ceph __kick_flushing_caps use after free

A vulnerability marked as very critical has been reported in Linux Kernel up to 6.12.108/6.18.49/7.2.3. This affects the function __kick_flushing_caps of the component ceph. Performing a manipulation results in use after free.

This vulnerability is reported as CVE-2026-89655. The attack is possible to be carried out remotely. No exploit exists.

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