CVE-2023-52586

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/

CVSS 3.1

7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-25)

CWE

CWE-362

Published

2024-03-06

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/14f109bf74dd67e1d0469fed859c8e506b0df53f
• https://git.kernel.org/stable/c/45284ff733e4caf6c118aae5131eb7e7cf3eea5a
• https://git.kernel.org/stable/c/f6dd625053726ea2a209282bee97218f2ec04149
• https://git.kernel.org/stable/c/14f109bf74dd67e1d0469fed859c8e506b0df53f
• https://git.kernel.org/stable/c/45284ff733e4caf6c118aae5131eb7e7cf3eea5a

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