CVE-2023-53258

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

CVSS 5.5 MEDIUMEPSS 0.1%CWE-191

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Sep 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

Linux · Linux

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References

https://git.kernel.org/stable/c/1a4bcdbea4319efeb26cc4b05be859a7867e02dc https://git.kernel.org/stable/c/64bc8e10c87adf60b2d32aacf3afb288e51d5a62 https://git.kernel.org/stable/c/d5741133e6e2f304b40ca1da0e16f62af06f4d22