cve/2023/CVE-2023-21400.md

CVE-2023-21400

Description

In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.

POC

Reference

• http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html

Github

• https://github.com/xairy/linux-kernel-exploitation