Answer in brief
CVE-2023-52586 records a High severity (CVSS 7.8) vulnerability in drm/msm/dpu: Add mutex lock in control vblank irq. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef <14f109bf74dd67e1d0469fed859c8e506b0df53f || >=25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef <45284ff733e4caf6c118aae5131eb7e7cf3eea5a | 14f109bf74dd67e1d0469fed859c8e506b0df53f, 45284ff733e4caf6c118aae5131eb7e7cf3eea5a |
| Linux/Linuxgeneric | 4.19 | Not reported |
Published upstream
Mar 6, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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/
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-52586 records a High severity (CVSS 7.8) vulnerability in drm/msm/dpu: Add mutex lock in control vblank irq. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef <14f109bf74dd67e1d0469fed859c8e506b0df53f || >=25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef <45284ff733e4caf6c118aae5131eb7e7cf3eea5a | 14f109bf74dd67e1d0469fed859c8e506b0df53f, 45284ff733e4caf6c118aae5131eb7e7cf3eea5a |
| Linux/Linuxgeneric | 4.19 | Not reported |
Published upstream
Mar 6, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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/
Quoted source text, attributed separately from HOL analysis.