Vulnerability in Linux
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/
Vulnerability class: Race Condition
EPSS: 0.002 (5.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef, 4.19, 0
- Linux Linux_kernel
Weakness classification (CWE)
References
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch, Mailing List)
Frequently asked questions
- What is CVE-2023-52586?
- CVE-2023-52586 is a high-severity vulnerability in Linux, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.8/10. Published 2024-03-06.
- How severe is CVE-2023-52586?
- High severity. CVSS v3 base score is 7.8 out of 10.