CVE-2023-52869: pstore/platform: Add check for kstrdup
Vulnerability summary
CVE-2023-52869 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 13% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 9 · Related 8Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: pstore/platform: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.
CVSS metrics
4 scores · 4 sources · 1 version- 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
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu104 products
- linux< 5.15.0-100.110
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1056.61
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 563ca40ddf400dbf8c6254077f9b6887101d0f08, < bb166bdae1a7d7db30e9be7e6ccaba606debc05f | ≥ 563ca40ddf400dbf8c6254077f9b6887101d0f08, < 379b120e4f27fd1cf636a5f85570c4d240a3f688 | ≥ 563ca40ddf400dbf8c6254077f9b6887101d0f08, < 63f637309baadf81a095f2653e3b807d4b5814b9 | ≥ 563ca40ddf400dbf8c6254077f9b6887101d0f08, < 1c426da79f9fc7b761021b5eb44185ba119cd44a | ≥ 563ca40ddf400dbf8c6254077f9b6887101d0f08, < ad5cb6deb41417ef41b9d6ff54f789212108606f | ≥ 563ca40ddf400dbf8c6254077f9b6887101d0f08, < a19d48f7c5d57c0f0405a7d4334d1d38fe9d3c1c | 5.8
- linux_kernel≥ 5.8, < 5.10.201 | ≥ 5.11, < 5.15.139 | ≥ 5.16, < 6.1.63 | ≥ 6.2, < 6.5.12 | ≥ 6.6, < 6.6.2
Debian1 product
- linux< 6.1.64-1 | < 6.6.8-1
3 vendors · 107 products
