You gave me a u32. I gave you root. (io_uring ZCRX freelist LPE) | Hacker News

Hacker News users discussed a patched Linux io_uring ZCRX freelist bug that could enable local privilege escalation.

The thread debated how exploitable the flaw is, including whether it can lead to root access and what permissions are required.

Commenters also used the issue to question Linux kernel attack surface and the value of static analysis and AI tools for finding similar bugs.