Wow. A universal, unprivileged local kernel stack use-after-free enabling ~97%-reliable privilege escalation and container escape via a constrained write primit

Wow. A universal, unprivileged local kernel stack use-after-free enabling ~97%-reliable privilege escalation and container escape via a constrained write primitive, control-flow hijack, and ROP * Introduced in Linux 2.6.39 in 2011 * patched in 7.1 (April 2026)