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.
Metrics
Affected Vendors & Products
References
History
Mon, 14 Jul 2025 13:45:00 +0000
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Thu, 22 May 2025 02:45:00 +0000
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Tue, 20 May 2025 16:15:00 +0000
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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. | |
Title | drm/v3d: Add job to pending list if the reset was skipped | |
References |
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Status: PUBLISHED
Assigner: Linux
Published: 2025-05-20T16:01:46.555Z
Updated: 2025-07-07T08:45:50.595Z
Reserved: 2025-04-16T04:51:23.973Z
Link: CVE-2025-37951

No data.

Status : Awaiting Analysis
Published: 2025-05-20T16:15:33.220
Modified: 2025-05-21T20:24:58.133
Link: CVE-2025-37951
