Linux kernel privilege escalation exploit DirtyClone (CVE-2026-43503) is publicly documented: JFrog published a working attack walkthrough Thursday showing how any local user can gain root on ...

Researchers have analyzed a high-severity vulnerability in Linux that’s able to escalate untrusted users to root by exploiting a bug you don’t often see: a single errant character inside the kernel.

CISA warns that the nine-year-old Linux Copy Fail flaw is being actively exploited, allowing local attackers to gain root access on affected systems.

Your Linux PC has a Secure Boot problem - what to do first (and the workaround to avoid) ...