CVE-2023-52841: media: vidtv: mux: Add check and kfree for kstrdup
Vulnerability summary
CVE-2023-52841 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.1% 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 10 · Related 10Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: media: vidtv: mux: Add check and kfree for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference. Moreover, use kfree() in the later error handling in order to avoid memory leak.
CVSS metrics
4 scores · 3 sources · 2 versions- 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
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% 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 cause- CWE-401Missing Release of Memory after Effective LifetimeThe product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
- CWE-476NULL Pointer DereferenceThe product dereferences a pointer that it expects to be valid but is NULL.
Affected 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≥ c2f78f0cb294aa6f009d3a170f4ee8ad199ba5da, < 64863ba8e6b7651d994c6e6d506cc8aa2ac45edb | ≥ c2f78f0cb294aa6f009d3a170f4ee8ad199ba5da, < 980be4c3b0d51c0f873fd750117774561c66cf68 | ≥ c2f78f0cb294aa6f009d3a170f4ee8ad199ba5da, < a254ee1ddc592ae1efcce96b8c014e1bd2d5a2b4 | ≥ c2f78f0cb294aa6f009d3a170f4ee8ad199ba5da, < cb13001411999adb158b39e76d94705eb2da100d | ≥ c2f78f0cb294aa6f009d3a170f4ee8ad199ba5da, < aae7598aff291d4d140be1355aa20930af948785 | ≥ c2f78f0cb294aa6f009d3a170f4ee8ad199ba5da, < 1fd6eb12642e0c32692924ff359c07de4b781d78 | 5.10
- linux_kernel≥ 5.10, < 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
