CVE-2022-50521

The CVE-2022-50521 issue affects the Linux kernel (platform/x86 mxm-wmi) with a memleak in mxm_wmi_call_mx[ds|mx]. The ACPI buffer (out.pointer) returned by wmi_evaluate_method() was not freed after the call, causing a memory leak. The patch fixes this by passing NULL to wmi_evaluate_method(), pr...