5.5

CVE-2023-52607: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-52607DEBIAN-CVE-2023-52607
Published 06-03-2024Last modified 11-05-2026

Vulnerability summary

CVE-2023-52607 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.3% 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
0.23%
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 28 · Related 28

Timeline

  1. 06-03-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtable_cache_add kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.23%

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

Ubuntu116 products
  • linuxAll versions (No fix recorded) | < 5.4.0-181.201 | < 5.15.0-106.116
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1124.134 | < 5.15.0-1061.67
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ a0668cdc154e54bf0c85182e0535eea237d53146, < 21e45a7b08d7cd98d6a53c5fc5111879f2d96611 | ≥ a0668cdc154e54bf0c85182e0535eea237d53146, < f6781add1c311c17eff43e14c786004bbacf901e | ≥ a0668cdc154e54bf0c85182e0535eea237d53146, < aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b | ≥ a0668cdc154e54bf0c85182e0535eea237d53146, < ac3ed969a40357b0542d20f096a6d43acdfa6cc7 | ≥ a0668cdc154e54bf0c85182e0535eea237d53146, < d482d61025e303a2bef3733a011b6b740215cfa1 | ≥ a0668cdc154e54bf0c85182e0535eea237d53146, < 145febd85c3bcc5c74d87ef9a598fc7d9122d532 | ≥ a0668cdc154e54bf0c85182e0535eea237d53146, < ffd29dc45bc0355393859049f6becddc3ed08f74 | ≥ a0668cdc154e54bf0c85182e0535eea237d53146, < f46c8a75263f97bda13c739ba1c90aced0d3b071 | 2.6.33
  • linux_kernel< 4.19.307 | ≥ 4.20, ≤ 5.4.269 | ≥ 5.5, ≤ 5.10.210 | ≥ 5.11, ≤ 5.15.149 | ≥ 5.16, < 6.1.77 | ≥ 6.2, < 6.6.16 | ≥ 6.7, < 6.7.4
Debian1 product
  • linux< 6.1.82-1 | < 6.7.7-1

3 vendors · 119 products

References

29 links
Show all 29 references