CVE-2026-89712 | Linux Kernel up to 6.12.108/6.18.49/7.2.3 NFSD nfsd4_ssc_expire_umount nfsd_ssc_mount_list use after free

A vulnerability described as very critical has been identified in Linux Kernel up to 6.12.108/6.18.49/7.2.3. The affected element is the function nfsd4_ssc_expire_umount of the component NFSD. The manipulation of the argument nfsd_ssc_mount_list results in use after free.

This vulnerability is known as CVE-2026-89712. It is possible to launch the attack remotely. No exploit is available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More