CVE-2023-53258

drm/amd/display: Fix possible underflow for displays with large vblank

Medium · published September 15, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
3.5
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix possible underflow for displays with large vblank

[Why]

Underflow observed when using a display with a large vblank region

and low refresh rate

[How]

Simplify calculation of vblank_nom

Increase value for VBlankNomDefaultUS to 800us

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00146 · 3.5th percentile
Published
2025-09-15T14:46Z
EPSS history
Timeline
  • 15 SEP 14:46Z
    drm/amd/display: Fix possible underflow for displays with large vblank
    cvelistv5