CVE-2024-46699: drm/v3d: Disable preemption while updating GPU stats
First published: Fri Sep 13 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.10<6.10.8 | |
| Linux Kernel | =6.11-rc1 | |
| Linux Kernel | =6.11-rc2 | |
| Linux Kernel | =6.11-rc3 | |
| Linux Kernel | =6.11-rc4 | |
| Linux Kernel | =6.11-rc5 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-46699?
CVE-2024-46699 is classified as a medium severity vulnerability affecting the Linux kernel.
How do I fix CVE-2024-46699?
To fix CVE-2024-46699, you should update your Linux kernel to the latest stable version that includes the patch.
Which versions of the Linux kernel are affected by CVE-2024-46699?
CVE-2024-46699 affects Linux kernel versions from 6.10 to 6.11-rc5.
What does CVE-2024-46699 affect in the Linux kernel?
CVE-2024-46699 affects the drm/v3d component, where preemption was not disabled during GPU stats updates.
Is there a known exploit for CVE-2024-46699?
As of now, there is no known public exploit for CVE-2024-46699.
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