CVE-2026-63814 | Linux Kernel up to 7.1.2 F2fs fs/f2fs/acl.c f2fs_acl_from_disk e_id out-of-bounds (Nessus ID 330014 / WID-SEC-2026-2403)

A vulnerability categorized as very critical has been discovered in Linux Kernel up to 7.1.2. Affected is the function f2fs_acl_from_disk of the file fs/f2fs/acl.c of the component F2fs. Executing a manipulation of the argument e_id can lead to out-of-bounds read. This vulnerability is registered as CVE-2026-63814. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.