5.5

CVE-2023-53258: linux Integer Underflow (Wrap or Wraparound)

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-53258DEBIAN-CVE-2023-53258
Published 15-09-2025Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2023-53258 is a medium (CVSS 5.5) Integer Underflow (Wrap or Wraparound) vulnerability in linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 12
RHSA-2024:2394SUSE-SU-2025:03600-1SUSE-SU-2025:03615-1SUSE-SU-2025:03634-1SUSE-SU-2025:20851-1SUSE-SU-2025:20861-1

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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 metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

0.00 pp

From 0.14% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu124 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 4c3861f587400db00801810eb8034c7b480e21dd, < d5741133e6e2f304b40ca1da0e16f62af06f4d22 | ≥ 4c3861f587400db00801810eb8034c7b480e21dd, < 64bc8e10c87adf60b2d32aacf3afb288e51d5a62 | ≥ 4c3861f587400db00801810eb8034c7b480e21dd, < 1a4bcdbea4319efeb26cc4b05be859a7867e02dc | 6.0
  • linux_kernelEOL≥ 6.0.1, < 6.1.43 | ≥ 6.2, < 6.4.8 | 6.0 | 6.0:rc2 | 6.0:rc3 | 6.0:rc4 | 6.0:rc5 | 6.0:rc6 | 6.0:rc7
Debian1 product
  • linux< 6.1.52-1 | < 6.4.11-1

3 vendors · 127 products

References

7 links