CVE-2026-89688 | Linux Kernel up to 6.12.108/6.18.49/7.2.3 nfsd nfs4_preprocess_seqid_op use after free

A vulnerability labeled as very critical has been found in Linux Kernel up to 6.12.108/6.18.49/7.2.3. This issue affects the function nfs4_preprocess_seqid_op of the component nfsd. Executing a manipulation can lead to use after free.

This vulnerability is registered as CVE-2026-89688. It is possible to launch the attack remotely. No exploit is available.

The affected component should be upgraded.VulDB Recent EntriesRead More