CVE-2023-52586Published

drm/msm/dpu: Add mutex lock in control vblank irq

Exact source revision recorded 30 Oct 2026 13:45:33 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2023-52586

Published

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Add mutex lock in control vblank irq Add a mutex lock to control vblank irq to synchronize vblank enable/disable operations happening from different threads to prevent race conditions while registering/unregistering the vblank irq callback. v4: -Removed vblank_ctl_lock from dpu_encoder_virt, so it is only a parameter of dpu_encoder_phys. -Switch from atomic refcnt to a simple int counter as mutex has now been added v3: Mistakenly did not change wording in last version. It is done now. v2: Slightly changed wording of commit message Patchwork: https://patchwork.freedesktop.org/patch/571854/

Source published: 6 Mar 2024 06:45:20 UTC
Source modified: 30 Oct 2026 12:17:15 UTC
Observed here: 30 Oct 2026 13:45:33 UTC
Source terms: CVE Program Terms of Use

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CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H