CVE-2026-89639 | Linux Kernel up to 6.18.49/7.2.3 CIFS cifs_do_truncate race condition

A vulnerability was found in Linux Kernel up to 6.18.49/7.2.3 and classified as very critical. The affected element is the function cifs_do_truncate of the component CIFS. Such manipulation leads to race condition.

This vulnerability is referenced as CVE-2026-89639. It is possible to launch the attack remotely. No exploit is available.

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