CVE-2023-53258

Medium

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

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedSep 15, 2025
First seenSep 15, 2025
Weakness typeCWE-191CWE-191

How to fix

Update
  • linux linux_kernel6.1.43, 6.4.8 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.0.1 ≤ v < 6.1.43, 6.2 ≤ v < 6.4.8, 6.06.1.43, 6.4.8

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