Name: CVE-2023-53258: Integer Underflow (Wrap or Wraparound)
Creator: Rapid7
Published: 2025-09-15T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-53258, CVSS 5.5, EPSS 0.00013

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

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade linux	Sep 17, 2025	Sep 17, 2025
Redhat_linux	—	Upgrade kernelUpgrade kernel-rtNo solution exists	Nov 14, 2025	Sep 15, 2025

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CVSS Details

Covered by Rapid7

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