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.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 28 · Related 28DLA-3842-1DSA-5681-1RHSA-2024:3618SUSE-SU-2024:1454-1SUSE-SU-2024:1465-1SUSE-SU-2024:1466-1SUSE-SU-2024:1480-1SUSE-SU-2024:1489-1SUSE-SU-2024:1490-1SUSE-SU-2024:1641-1SUSE-SU-2024:1643-1SUSE-SU-2024:1646-1SUSE-SU-2024:1647-1SUSE-SU-2024:1870-1USN-6688-1USN-6766-1USN-6766-2USN-6766-3USN-6767-1USN-6767-2USN-6795-1USN-6818-1USN-6818-3USN-6818-4USN-6819-1USN-6819-3USN-6819-4USN-6828-1USN-6765-1USN-6818-2USN-6819-2
Timeline
- 06-03-2024PublishedVulnerability first disclosed.
- 11-05-2026Last 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 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 score0.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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