CVE-2022-49485 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/v3d: Fix null pointer dereference of pointer perfmon

In the unlikely event that pointer perfmon is null the WARN_ON return path occurs after the pointer has already been deferenced. Fix this by only dereferencing perfmon after it has been null checked.

Reference

https://git.kernel.org/stable/c/1df8f8901babcc8c8eea2c067179e455b5c828fd https://git.kernel.org/stable/c/3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8 https://git.kernel.org/stable/c/4be045434923e549a50846a066a04b7b6c1d6d33 https://git.kernel.org/stable/c/ce7a1ecf3f9f1fccaf67295307614511d8e11b13