5.5

CVE-2023-52467: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-52467DEBIAN-CVE-2023-52467
Published 25-02-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2023-52467 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19% 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
0.28%
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 17 · Related 18
DLA-3841-1RHSA-2024:9315SUSE-SU-2024:0855-1SUSE-SU-2024:0900-1SUSE-SU-2024:0900-2SUSE-SU-2024:0977-1

Timeline

  1. 25-02-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: mfd: syscon: Fix null pointer dereference in of_syscon_register() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.28%

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

Ubuntu104 products
  • linux< 5.15.0-102.112
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1057.63
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ e15d7f2b81d2e7d93115d46fa931b366c1cdebc2, < 927626a2073887ee30ba00633260d4d203f8e875 | ≥ e15d7f2b81d2e7d93115d46fa931b366c1cdebc2, < c3e3a2144bf50877551138ffce9f7aa6ddfe385b | ≥ e15d7f2b81d2e7d93115d46fa931b366c1cdebc2, < 527e8c5f3d00299822612c495d5adf1f8f43c001 | ≥ e15d7f2b81d2e7d93115d46fa931b366c1cdebc2, < 3ef1130deee98997275904d9bfc37af75e1e906c | ≥ e15d7f2b81d2e7d93115d46fa931b366c1cdebc2, < 7f2c410ac470959b88e03dadd94b7a0b71df7973 | ≥ e15d7f2b81d2e7d93115d46fa931b366c1cdebc2, < 41673c66b3d0c09915698fec5c13b24336f18dd1 | 5.9
  • linux_kernel≥ 5.9.0, < 5.10.209 | ≥ 5.11.0, < 5.15.148 | ≥ 5.16.0, < 6.1.75 | ≥ 6.2.0, < 6.6.14 | ≥ 6.7.0, < 6.7.2
Debian1 product
  • linux< 6.1.76-1 | < 6.6.15-1

3 vendors · 107 products

References

22 links
Show all 22 references