cve/2022/CVE-2022-41222.md

CVE-2022-41222

Description

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.

POC

Reference

• http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.html
• http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/EGI-Federation/SVG-advisories