Riskcovery

CVE-2023-53806

drm/amd/display: populate subvp cmd info only for the top pipe

State
Published
Severity
7.8 High
Published
Dec 9, 2025
Updated
Aug 5, 2026
Reserved
Dec 8, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to before 92e6c79acad4b96efeff261d27bdbd8089a7dd24Affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to before 375d192eb1f1d9229a6d994da7ba31f3582b106bAffected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to before 9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0Affected
LinuxLinux
  • 4.15Affected
  • before 4.15Not affected
  • 6.1.30 through 6.1.*Not affected
  • 6.3.4 through 6.3.*Not affected
  • 6.4 and laterNot affected

References

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