1. Copy.Fail: Linux Kernel Flaw Enables Undetectable Local Privilege Escalation Across Major Distributions
Security researchers have disclosed a critical Linux kernel vulnerability, designated copy.fail, that allows local attackers to escalate privileges to root-level access by exploiting a flaw in the kernel crypto API. The flaw, disclosed by Theori on April 29, 2026, takes advantage of AF_ALG sockets combined with the spl...