Ops Development Stories

Apr 30, 2026 · Information Security

Urgent May Day Alert: CVE‑2026‑31431 Linux Kernel LPE & Container Escape

A high‑severity Linux kernel flaw (CVE‑2026‑31431, dubbed "Copy Fail") allows ordinary users to gain root privileges and escape containers via an AF_ALG and splice() optimization bug, affecting major distributions; the article details the vulnerability, exploitation steps, PoC, and mitigation guidance.