configfs

A vulnerability in the Linux kernel, tracked as EUVD-2026-86803, has been published after a fix was merged. The flaw sits in the configfs filesystem's rmdir handling, where the dentry was not unhashed before the item was dropped. It affects Linux across multiple product entries, with no severity score assigned yet. Security watchers are noting the advisory as part of routine kernel vulnerability tracking.

A new vulnerability, tracked as EUVD-2026-86804, has been disclosed and resolved in the Linux kernel. The flaw involves the configfs subsystem, where the fix pins the symlink target's dirent instead of chasing its dentry pointer, closing a potential security issue. The advisory covers the Linux kernel across multiple affected versions and was published on September 25, 2026, with an update on October 3, 2026. No severity score has been assigned yet, and administrators are advised to apply kernel updates.