What is CVE-2023-52520?

CVE-2023-52520 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.14 onward and patched in 5.15.136, 6.1.59, 6.5.8 and others. CVE-2023-52520 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52520?

CVE-2023-52520 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-52520?

Yes, CVE-2023-52520 has been patched. Fixed versions include 5.15.136, 6.1.59, 6.5.8 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52520 actively exploited?

CVE-2023-52520 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-52520

Medium

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.

Package Linux Kernel

Published 2024-03-02

Last modified 2024-12-11

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 5.14 and later are affected. Fixed in 5.15.136, 6.1.59, 6.5.8, 6.6 and their respective stable series.

Affected from

≥ 5.14

Fixed in

✓ 5.15.136 5.15.x ✓ 6.1.59 6.1.x ✓ 6.5.8 6.5.x ✓ 6.6

References

4 total

Kernel Git
https://git.kernel.org/stable/c/124cf0ea4b82e1444ec8c7420af4e7db5558c293

Patch
Kernel Git
https://git.kernel.org/stable/c/528ab3e605cabf2f9c9bd5944d3bfe15f6e94f81

Patch
Kernel Git
https://git.kernel.org/stable/c/af21c9119a37cecb7ff27ce0c2f3cf721e9d0ec4

Patch
Kernel Git
https://git.kernel.org/stable/c/c6e3023579de8d33256771ac0745239029e81106

Patch

Details

CVE ID CVE-2023-52520

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-03-02

Modified 2024-12-11

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52520?

CVE-2023-52520 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.14 onward and has been patched in 5.15.136, 6.1.59, 6.5.8 and others. CVE-2023-52520 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52520?

CVE-2023-52520 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-52520?

Yes. CVE-2023-52520 has been patched. Fixed versions include 5.15.136, 6.1.59, 6.5.8 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52520 actively exploited?

No. CVE-2023-52520 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.