Riskcovery

CVE-2023-53258

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

State
Published
Severity
5.5 Medium
Published
Sep 15, 2025
Updated
May 11, 2026
Reserved
Sep 15, 2025

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

  • CWE-191 Integer Underflow (Wrap or Wraparound)

Affected Products

ProductVersions
LinuxLinux
  • 4c3861f587400db00801810eb8034c7b480e21dd to before d5741133e6e2f304b40ca1da0e16f62af06f4d22Affected
  • 4c3861f587400db00801810eb8034c7b480e21dd to before 64bc8e10c87adf60b2d32aacf3afb288e51d5a62Affected
  • 4c3861f587400db00801810eb8034c7b480e21dd to before 1a4bcdbea4319efeb26cc4b05be859a7867e02dcAffected
LinuxLinux
  • 6.0Affected
  • before 6.0Not affected
  • 6.1.43 through 6.1.*Not affected
  • 6.4.8 through 6.4.*Not affected
  • 6.5 and laterNot affected

References

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