Riskcovery

CVE-2024-46699

drm/v3d: Disable preemption while updating GPU stats

State
Published
Severity
Not scored
Published
Sep 13, 2024
Updated
May 11, 2026
Reserved
Sep 11, 2024

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/v3d: Disable preemption while updating GPU stats

We forgot to disable preemption around the write_seqcount_begin/end() pair while updating GPU stats:

[ ] WARNING: CPU: 2 PID: 12 at include/linux/seqlock.h:221 __seqprop_assert.isra.0+0x128/0x150 [v3d] [ ] Workqueue: v3d_bin drm_sched_run_job_work [gpu_sched] <...snip...> [ ] Call trace: [ ] __seqprop_assert.isra.0+0x128/0x150 [v3d] [ ] v3d_job_start_stats.isra.0+0x90/0x218 [v3d] [ ] v3d_bin_job_run+0x23c/0x388 [v3d] [ ] drm_sched_run_job_work+0x520/0x6d0 [gpu_sched] [ ] process_one_work+0x62c/0xb48 [ ] worker_thread+0x468/0x5b0 [ ] kthread+0x1c4/0x1e0 [ ] ret_from_fork+0x10/0x20

Fix it.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 6abe93b621ab12e93cf0eb7e42a609b36be32da1 to before 1e93467ef20308da5a94cde548ee17d523e8ba7bAffected
  • 6abe93b621ab12e93cf0eb7e42a609b36be32da1 to before 9d824c7fce58f59982228aa85b0376b113cdfa35Affected
LinuxLinux
  • 6.10Affected
  • before 6.10Not affected
  • 6.10.8 through 6.10.*Not affected
  • 6.11 and laterNot affected

References

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