CVE-2023-53806

HighCVSS 7.8/10Last modified Aug 4, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Dec 9, 2025
Last modified
Aug 4, 2026
NVD status
Deferred

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CVE-2023-53806: High severity, CVSS 7.8 | Vulnix