CVE-2024-38622 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/msm/dpu: Add callback function pointer check before its call

In dpu_core_irq_callback_handler() callback function pointer is compared to NULL but then callback function is unconditionally called by this pointer. Fix this bug by adding conditional return.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Patchwork: https://patchwork.freedesktop.org/patch/588237/

Reference

https://git.kernel.org/stable/c/873f67699114452c2a996c4e10faac8ff860c241 https://git.kernel.org/stable/c/9078630ed7f8f25d65d11823e7f2b11a8e2f4f0f https://git.kernel.org/stable/c/530f272053a5e72243a9cb07bb1296af6c346002