vulnerability
Red Hat: CVE-2023-53258: kernel: drm/amd/display: Fix possible underflow for displays with large vblank (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:S/C:N/I:P/A:C) | Sep 15, 2025 | Nov 14, 2025 | Dec 3, 2025 |
Severity
5
CVSS
(AV:L/AC:M/Au:S/C:N/I:P/A:C)
Published
Sep 15, 2025
Added
Nov 14, 2025
Modified
Dec 3, 2025
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
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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