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CVE-2022-50521

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CVE-2022-50521

Published: Oct 7, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
99b38b4acc0d7dbbab443273577cff60080fcfad - < 50ac517d6f5348b276f1f663799cf85dce521518
affected
99b38b4acc0d7dbbab443273577cff60080fcfad - < 5b0f81b0808235967868e01336c976e840217108
affected
99b38b4acc0d7dbbab443273577cff60080fcfad - < 14bb4bde3b7b2584734b13747b345caeeb41bea3
affected
99b38b4acc0d7dbbab443273577cff60080fcfad - < 17cd8c46cbec4e6ad593fb9159928b8e7608c11a
affected
99b38b4acc0d7dbbab443273577cff60080fcfad - < 3cf81501356c9e898ad94b2369ffc805f83f7d7b

+3 more versions

Linux

Linux

affected
3.0
unaffected
0 - < 3.0
unaffected
4.14.303 - <= 4.14.*
unaffected
4.19.270 - <= 4.19.*
unaffected
5.4.229 - <= 5.4.*

+5 more versions

References

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