CVE-2022-50521
platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/50ac517d6f5348b276f1f663799cf85dce521518
- https://git.kernel.org/stable/c/5b0f81b0808235967868e01336c976e840217108
- https://git.kernel.org/stable/c/14bb4bde3b7b2584734b13747b345caeeb41bea3
- https://git.kernel.org/stable/c/17cd8c46cbec4e6ad593fb9159928b8e7608c11a
- https://git.kernel.org/stable/c/3cf81501356c9e898ad94b2369ffc805f83f7d7b
References (8)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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