5.5

CVE-2023-52520: platform/x86: think-lmi: Fix reference leak

Analyzed
AliasesUBUNTU-CVE-2023-52520DEBIAN-CVE-2023-52520
Published 02-03-2024Last modified 11-05-2026

Vulnerability summary

CVE-2023-52520 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 5
RHSA-2024:3618RHSA-2024:3627RHSA-2024:9315RHSA-2025:2490SUSE-SU-2024:1320-1SUSE-SU-2024:1321-1

Timeline

  1. 02-03-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: think-lmi: Fix reference leak If a duplicate attribute is found using kset_find_obj(), a reference to that attribute is returned which needs to be disposed accordingly using kobject_put(). Move the setting name validation into a separate function to allow for this change without having to duplicate the cleanup code for this setting. As a side note, a very similar bug was fixed in commit 7295a996fdab ("platform/x86: dell-sysman: Fix reference leak"), so it seems that the bug was copied from that driver. Compile-tested only.

CVSS metrics

3 scores · 3 sources · 1 version

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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu102 products
  • linux< 5.15.0-94.104
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1053.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1bcad8e510b27ad843315ab2c27ccf459e3acded, < 124cf0ea4b82e1444ec8c7420af4e7db5558c293 | ≥ 1bcad8e510b27ad843315ab2c27ccf459e3acded, < af21c9119a37cecb7ff27ce0c2f3cf721e9d0ec4 | ≥ 1bcad8e510b27ad843315ab2c27ccf459e3acded, < c6e3023579de8d33256771ac0745239029e81106 | ≥ 1bcad8e510b27ad843315ab2c27ccf459e3acded, < 528ab3e605cabf2f9c9bd5944d3bfe15f6e94f81 | 5.14
  • linux_kernel≥ 5.14, < 5.15.136 | ≥ 5.16, < 6.1.59 | ≥ 6.2, < 6.5.8 | 6.6:rc1 | 6.6:rc2 | 6.6:rc3 | 6.6:rc4
Debian1 product
  • linux< 6.1.64-1 | < 6.5.8-1

3 vendors · 105 products

References

8 links