CVE-2022-50521

platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()

published October 7, 2025

CVSS
—
EPSS
0%
Percentile
4.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00156 · 4.4th percentile
Published
2025-10-07T15:19Z
EPSS history
Timeline
  • 07 OCT 15:19Z
    platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()
    cvelistv5