Serious kernel bug on Ubuntu 24.04, 22.04, and also Debian 13

Serious kernel bug on Ubuntu 24.04, 22.04, and also Debian 13.

Bug code name: CVE-2026-31431 (“Copy Fail”).

All PanelAlpha users who are on Ubuntu 24.04 or 22.04 or Debian 13 should update the OS immediately. Why? Because any user with a shell access can gain full control of your server.

Please note, this is NOT a PanelAlpha bug, it is a bug of the OS.