importantSYS.SOURCE: The Hacker News• 2026-07-04T01:10:01+05:30

Bad Epoll Kernel Flaw Grants Unprivileged Users Root Access on Linux and Android

#linux kernel #privilege escalation #android #race condition

A critical Linux kernel flaw named Bad Epoll allows unprivileged users to escalate their privileges to root, affecting systems like Linux desktops, servers, and Android. This vulnerability stems from a race condition in kernel memory management and can be triggered from within sandboxed applications like Chrome's renderer.

A newly disclosed Linux kernel flaw called Bad Epoll (CVE-2026-46242) lets an ordinary user with no special access take full control of a machine as root. It affects Linux desktops, servers, and Android, and a fix is out.

Bad Epoll sits in the same small stretch of kernel code where Anthropic's most powerful AI model, Mythos, recently found a different bug.

The AI caught one flaw and missed

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