Bad Epoll: The bug missed by Mythos
Summary
Bad Epoll (CVE-2026-46242) is a race-condition use-after-free vulnerability in the Linux kernel epoll subsystem that can escalate an unprivileged process to root on Linux and Android. The page provides an overview, exploit details, affected versions, mitigation via patching, and references to full writeups and code, highlighting the difficulty of discovering and fixing such race bugs.