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CVE-2023-54252: platform/x86: think-lmi: Fix memory leaks when parsing ThinkStation WMI strings

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-30 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: think-lmi: Fix memory leaks when parsing ThinkStation WMI strings My previous commit introduced a memory leak where the item allocated from tlmi_setting was not freed. This commit also renames it to avoid confusion with the similarly name variable in the same function.

Affected products

• Linux kernel: from 5.15.106 before 5.15.107; from 6.1.23 before 6.1.24; from 6.2.10 before 6.2.11 — fixed in 5.15.107, 6.1.24, 6.2.11

How to fix

Upgrade to a fixed version: Linux kernel 5.15.107, 6.1.24, 6.2.11. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/081da7b1c881828244b93b3befb7c18389f696bb
• https://git.kernel.org/stable/c/43fc0342bac1808fda2b76184e43414727111c6b
• https://git.kernel.org/stable/c/cccdb30935c82be805d3362a15680b95d5cb3ee0
• https://git.kernel.org/stable/c/e7d796fccdc8d17c2d21817ebe4c7bf5bbfe5433

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