Copy Fail exploit lets 732 bytes hijack Linux systems and quietly grab root

Sick penguin Unsplash

A newly disclosed Linux kernel vulnerability called Copy Fail lets a normal user gain root access using just a 732-byte script. The exploit is simple, reliable, and works across major distributions like Ubuntu, RHEL, and SUSE. Even worse, it silently modifies the page cache instead of files on disk, making detection difficult and raising concerns for both local systems and containerized environments.

MX Linux 25.1 Infinity ISOs arrive with dual-init support and updated Debian kernels

Mx Linux 25

MX Linux 25.1 Infinity is now available, landing just one week after the beta and officially bringing back dual-init support with systemd and sysvinit on the same ISO. The release is based on Debian 13.3, ships updated Linux kernels, refreshes AHS graphics stacks, and restores one of MX Linux’s most distinctive features without forcing existing users to change their setups.