CVE-2024-46699 - AMD v3d Preemption Enablement Vulnerability

CVE-2024-46699 - AMD v3d Preemption Enablement Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Fri, 09/13/2024 - 08:33
CVE ID : CVE-2024-46699
Published : Sept. 13, 2024, 6:15 a.m. | 19 minutes ago
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.
Severity: 0.0 | NA
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