CVE-2025-37951 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/v3d: Add job to pending list if the reset was skipped

When a CL/CSD job times out we check if the GPU has made any progress since the last timeout. If so instead of resetting the hardware we skip the reset and let the timer get rearmed. This gives long-running jobs a chance to complete.

However when timedout_job() is called the job in question is removed from the pending list which means it won’t be automatically freed through free_job(). Consequently when we skip the reset and keep the job running the job won’t be freed when it finally completes.

This situation leads to a memory leak as exposed in [1] and [2].

Similarly to commit 704d3d60fec4 (\drm/etnaviv: don’t block scheduler when GPU is still active) this patch ensures the job is put back on the pending list when extending the timeout.

Reference

https://git.kernel.org/stable/c/12125f7d9c15e6d8ac91d10373b2db2f17dcf767 https://git.kernel.org/stable/c/35e4079bf1a2570abffce6ababa631afcf8ea0e5 https://git.kernel.org/stable/c/422a8b10ba42097a704d6909ada2956f880246f2 https://git.kernel.org/stable/c/5235b56b7e5449d990d21d78723b1a5e7bb5738e https://git.kernel.org/stable/c/a5f162727b91e480656da1876247a91f651f76de