CVE-2026-46150

Description

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotify_get_mark_safe() may return false for a mark on an unrelated group, which results in bypassing the permission check. Fix by skipping over detached marks that are not in the current group.

References

• https://git.kernel.org/stable/c/7746e3bd4cc19b5092e00d32d676e329bfcb6900
• https://git.kernel.org/stable/c/7baa02b0ae9d17ec5f08836d8ea88ce1927d0678
• https://git.kernel.org/stable/c/895ebbedf88318607c24acc0f591c74b165e1d0a
• https://git.kernel.org/stable/c/b7b24b28c8cd55844cab908f4f39dded638d5538
• https://git.kernel.org/stable/c/f130790f1acc8399f32652846c875a251efd040f