CVE-2023-53258

5.5 mediumEPSS 0.1%

Medium (5.5) in linux linux kernel. EPSS 0.1% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-191
Published: 2025-09-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

References

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

Check your stack JSON