Review reviewHigh

CVE-2023-52586

Linux Linux, linux kernel

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 wordi...

CVSS: 7
EPSS: 0.16%
CISA KEV: Not listed
Published: 2024.03.06

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.16%

Technical severityCVSS 7

Vulnerability overview

Affected product and versions

Product: Linux Linux, linux kernel
Affected versions: >= 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < 14f109bf74dd67e1d0469fed859c8e506b0df53f, >= 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < 45284ff733e4caf6c118aae5131eb7e7cf3eea5a, >= 4.19, < 6.7.4
Fixed versions: 6.7.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux Linux, linux kernel and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-362