Review reviewHigh

CVE-2023-53806

Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: populate subvp cmd info only for the top pipe [Why] System restart observed while changing the display resolution to 8k with extended mode. Sytem restart was caused by a page fault. [How] When the driver populates subvp info it did it for both the pipes using vblank which caused an outof bounds array access causing the page fault. added checks to allow the top pipe only to fix this issue.

CVSS: 7.8
EPSS: 0.13%
CISA KEV: Not listed
Published: 2025.12.09

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.13%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Linux
Affected versions: >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 92e6c79acad4b96efeff261d27bdbd8089a7dd24, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 375d192eb1f1d9229a6d994da7ba31f3582b106b, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0, >= 4.15
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux 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:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: Not available