CVE-2023-53258 — Integer Underflow (Wrap or Wraparound) in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 97.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 15
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
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linux4c3861f587400db00801810eb8034c7b480e21dd — d5741133e6e2f304b40ca1da0e16f62af06f4d22+3
Patches
🔴Vulnerability Details
2OSV▶
CVE-2023-53258: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix possible underflow for displays with large vblank [Why] Under↗2025-09-15
GHSA▶
GHSA-249r-gg7w-pr3p: In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix possible underflow for displays with large vblank
[Why]
Und↗2025-09-15