Patch [FIX] Tuesday – [Emergency Episode: DirtyFrag Exploit Before Patch], Ep. 31

Breaking from the normal Patch Tuesday cadence for an emergency drop. On May 7, security researcher Hyunwoo Kim published a working proof-of-concept for DirtyFrag - a Linux kernel local privilege escalation chain that gets unprivileged users to root on every major distribution. The embargo was broken by a third party before distribution backports were ready, so the exploit is public and the patch is not.
CTO Jason Kikta and Landon Miles walk through what makes DirtyFrag different from the Copy Fail mitigation many teams already deployed (spoiler: the CopyFail mitigation does NOT cover this)…