5.5

CVE-2023-52821: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-52821DEBIAN-CVE-2023-52821
Published 21-05-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2023-52821 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.24%
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 19 · Related 19
SUSE-SU-2024:1979-1SUSE-SU-2024:1983-1SUSE-SU-2024:2008-1SUSE-SU-2024:2011-1SUSE-SU-2024:2019-1SUSE-SU-2024:2184-1

Timeline

  1. 21-05-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/panel: fix a possible null pointer dereference In versatile_panel_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.24%

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

Ubuntu112 products
  • linux< 5.4.0-204.224 | < 5.15.0-100.110
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1137.147 | < 5.15.0-1056.61
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ f40f5b87d974655984ce545515e5c9e57b371b3c, < c7dc0aca5962fb37dbea9769dd26ec37813faae1 | ≥ f40f5b87d974655984ce545515e5c9e57b371b3c, < 2381f6b628b3214f07375e0adf5ce17093c31190 | ≥ f40f5b87d974655984ce545515e5c9e57b371b3c, < 79813cd59398015867d51e6d7dcc14d287d4c402 | ≥ f40f5b87d974655984ce545515e5c9e57b371b3c, < 4fa930ba046d20fc1899770396ee11e905fa96e4 | ≥ f40f5b87d974655984ce545515e5c9e57b371b3c, < 8a9dd36fcb4f3906982b82593393578db4479992 | ≥ f40f5b87d974655984ce545515e5c9e57b371b3c, < 924e5814d1f84e6fa5cb19c6eceb69f066225229 | 4.17
  • linux_kernel< 5.10.202 | ≥ 5.11, < 5.15.140 | ≥ 5.16, < 6.1.64 | ≥ 6.2, < 6.5.13 | ≥ 6.6, < 6.6.3
Debian1 product
  • linux< 6.1.64-1 | < 6.6.8-1

3 vendors · 115 products

References

16 links
Show all 16 references