CVE-2023-53258

MEDIUM

Linux Kernel 6.0-6.1.43 6.4.8 - Integer Underflow in DRM AMD Display vblank Calculation

Title source: llm

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

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/d5741133e6e2f304b40ca1da0e16f62af06f4d22

Patch

https://git.kernel.org/stable/c/64bc8e10c87adf60b2d32aacf3afb288e51d5a62

Patch

https://git.kernel.org/stable/c/1a4bcdbea4319efeb26cc4b05be859a7867e02dc

Scores

CVSS v3 5.5

EPSS 0.0013

EPSS Percentile 3.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-191

Status published

Products (10)

Linux/Linux < 6.0

Linux/Linux 4c3861f587400db00801810eb8034c7b480e21dd - 1a4bcdbea4319efeb26cc4b05be859a7867e02dc

Linux/Linux 4c3861f587400db00801810eb8034c7b480e21dd - 64bc8e10c87adf60b2d32aacf3afb288e51d5a62

Linux/Linux 4c3861f587400db00801810eb8034c7b480e21dd - d5741133e6e2f304b40ca1da0e16f62af06f4d22

Linux/Linux 6.0

Linux/Linux 6.1.43 - 6.1.*

Linux/Linux 6.4.8 - 6.4.*

Linux/Linux 6.5

linux/linux_kernel 6.0 (7 CPE variants)

linux/linux_kernel 6.0.1 - 6.1.43

Published Sep 15, 2025

Tracked Since Feb 18, 2026