CVE-2026-63817 | Linux Kernel up to 7.1.2 F2FS is_meta_ino input validation (Nessus ID 330014 / WID-SEC-2026-2403)

A vulnerability was found in Linux Kernel up to 6.1.176/6.6.143/6.12.94/6.18.37/7.1.2. It has been rated as very critical. Affected by this issue is the function is_meta_ino of the component F2FS. The manipulation leads to improper input validation. This vulnerability is listed as CVE-2026-63817. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.