LinuxSecurity.com

GNOME 50 finally drops X11 for good. Jordan Petridis called it on the GNOME blog, and the change landed with Mutter's merge request !4505. That's the code that removes the last X11 session logic. Years of slow migration work wrapped in a single commit that basically says, we're done here.

Linux security entered new territory in 2025. Espionage groups that once focused on Windows began treating Linux as equal ground. The Russia-aligned Curly COMrades, tracked by Bitdefender and CERT Georgia, led that move with a string of well-coordinated campaigns.

What is Kali Linux? The 2025 Guide for Security OperationsKali Linux is a Debian-based system built and maintained by Offensive Security. It's made for penetration testing and security assessments '' not for checking email or running spreadsheets. Every tool inside it maps, probes, or breaks something under control. That's the whole point.

The OverlayFS bug in Ubuntu last year slipped through normal testing. Nothing exotic, a permissions issue in the filesystem layer that let local users climb the privilege ladder. Classic Linux security problem. The patch landed quickly, but some production boxes stayed behind for weeks. Always the same story.