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LIN1021-7620 : Security Advisory - linux - CVE-2023-52520

Created: Mar 2, 2024    Updated: Apr 11, 2024
Resolved Date: Apr 11, 2024
Found In Version: 10.21.20.1
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

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.

CREATE(Triage):(User=admin) CVE-2023-52520 (https://nvd.nist.gov/vuln/detail/CVE-2023-52520)
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