In the Linux kernel, the following vulnerability has been resolved: platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]() The ACPI buffer memory (out.pointer) returned by wmi_evaluate_method() is not freed after the call, so it leads to memory leak. The method results in ACPI buffer is not used, so just pass NULL to wmi_evaluate_method() which fixes the memory leak.
History

Tue, 07 Oct 2025 15:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]() The ACPI buffer memory (out.pointer) returned by wmi_evaluate_method() is not freed after the call, so it leads to memory leak. The method results in ACPI buffer is not used, so just pass NULL to wmi_evaluate_method() which fixes the memory leak.
Title platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-10-07T15:19:15.213Z

Reserved: 2025-10-07T15:15:38.663Z

Link: CVE-2022-50521

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-10-07T16:15:35.883

Modified: 2025-10-07T16:15:35.883

Link: CVE-2022-50521

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.