CVE-2023-53258

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

Medium5.5EPSS 0.15%

Published: 15 Sept 2025
Updated: 11 May 2026
Reserved: 15 Sept 2025
Assigned by: Linux

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

CVSS scores of CVE-2023-53258, by who scored it
Scored by	CVSS	Score	Vector
CISA-ADPADP (enrichment)	3.1	Medium5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified	3.1	Medium5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS (exploitation in 30 days): 0.15% · top 96% of all CVEs (5 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

CWE-191 Integer Underflow (Wrap or Wraparound) (opens in a new tab)All about CWE-191 and its CVEs

Affected products

Linux · Linux
- affected 4c3861f587400db00801810eb8034c7b480e21dd – < d5741133e6e2f304b40ca1da0e16f62af06f4d22
- affected 4c3861f587400db00801810eb8034c7b480e21dd – < 64bc8e10c87adf60b2d32aacf3afb288e51d5a62
- affected 4c3861f587400db00801810eb8034c7b480e21dd – < 1a4bcdbea4319efeb26cc4b05be859a7867e02dc
Linux · Linux
- affected 6.0
- unaffected < 6.0
- unaffected 6.1.43 – ≤ 6.1.*
- unaffected 6.4.8 – ≤ 6.4.*
- unaffected 6.5 – ≤ *

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2023-53258](https://trackcve.app/badge/CVE-2023-53258.svg)](https://trackcve.app/cve/CVE-2023-53258)

Record last updated 11 May 2026, 19:41 UTC.