{"id":"CVE-2022-50521","title":"platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()\n\nThe ACPI buffer memory (out.pointer) returned by wmi_evaluate_method()\nis not freed after the call, so i…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 50ac517d6f5348b276f1f663799cf85dce521518","Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 5b0f81b0808235967868e01336c976e840217108","Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 14bb4bde3b7b2584734b13747b345caeeb41bea3","Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 17cd8c46cbec4e6ad593fb9159928b8e7608c11a","Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 3cf81501356c9e898ad94b2369ffc805f83f7d7b","Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 379e7794c5e7485193d25d73614fbbd1e1387f6f","Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 87426ce3bd57ad414b6e2436434ef8128986a9a5","Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 727cc0147f5066e359aca65cc6cc5e6d64cc15d8","Linux 3.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:12:59.158598Z"},"published":"2025-10-07","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:50.723Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50521","references":[{"url":"https://git.kernel.org/stable/c/50ac517d6f5348b276f1f663799cf85dce521518"},{"url":"https://git.kernel.org/stable/c/5b0f81b0808235967868e01336c976e840217108"},{"url":"https://git.kernel.org/stable/c/14bb4bde3b7b2584734b13747b345caeeb41bea3"},{"url":"https://git.kernel.org/stable/c/17cd8c46cbec4e6ad593fb9159928b8e7608c11a"},{"url":"https://git.kernel.org/stable/c/3cf81501356c9e898ad94b2369ffc805f83f7d7b"},{"url":"https://git.kernel.org/stable/c/379e7794c5e7485193d25d73614fbbd1e1387f6f"},{"url":"https://git.kernel.org/stable/c/87426ce3bd57ad414b6e2436434ef8128986a9a5"},{"url":"https://git.kernel.org/stable/c/727cc0147f5066e359aca65cc6cc5e6d64cc15d8"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.05159,"ingestedAt":"2026-11-05T22:38:31.746Z","slug":"CVE-2022-50521","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()\n\nThe ACPI buffer memory (out.pointer) returned by wmi_evaluate_method()\nis not freed after the call, so it leads to memory leak.\n\nThe method results in ACPI buffer is not used, so just pass NULL to\nwmi_evaluate_method() which fixes the memory leak.\n\n## Affected\n\n- `Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 50ac517d6f5348b276f1f663799cf85dce521518`\n- `Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 5b0f81b0808235967868e01336c976e840217108`\n- `Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 14bb4bde3b7b2584734b13747b345caeeb41bea3`\n- `Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 17cd8c46cbec4e6ad593fb9159928b8e7608c11a`\n- `Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 3cf81501356c9e898ad94b2369ffc805f83f7d7b`\n- `Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 379e7794c5e7485193d25d73614fbbd1e1387f6f`\n- `Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 87426ce3bd57ad414b6e2436434ef8128986a9a5`\n- `Linux >= 99b38b4acc0d7dbbab443273577cff60080fcfad < 727cc0147f5066e359aca65cc6cc5e6d64cc15d8`\n- `Linux 3.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}