{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50521","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-10-07T15:15:38.663Z","datePublished":"2025-10-07T15:19:15.213Z","dateUpdated":"2026-05-11T19:21:02.240Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:21:02.240Z"},"descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/mxm-wmi.c"],"versions":[{"version":"99b38b4acc0d7dbbab443273577cff60080fcfad","lessThan":"50ac517d6f5348b276f1f663799cf85dce521518","status":"affected","versionType":"git"},{"version":"99b38b4acc0d7dbbab443273577cff60080fcfad","lessThan":"5b0f81b0808235967868e01336c976e840217108","status":"affected","versionType":"git"},{"version":"99b38b4acc0d7dbbab443273577cff60080fcfad","lessThan":"14bb4bde3b7b2584734b13747b345caeeb41bea3","status":"affected","versionType":"git"},{"version":"99b38b4acc0d7dbbab443273577cff60080fcfad","lessThan":"17cd8c46cbec4e6ad593fb9159928b8e7608c11a","status":"affected","versionType":"git"},{"version":"99b38b4acc0d7dbbab443273577cff60080fcfad","lessThan":"3cf81501356c9e898ad94b2369ffc805f83f7d7b","status":"affected","versionType":"git"},{"version":"99b38b4acc0d7dbbab443273577cff60080fcfad","lessThan":"379e7794c5e7485193d25d73614fbbd1e1387f6f","status":"affected","versionType":"git"},{"version":"99b38b4acc0d7dbbab443273577cff60080fcfad","lessThan":"87426ce3bd57ad414b6e2436434ef8128986a9a5","status":"affected","versionType":"git"},{"version":"99b38b4acc0d7dbbab443273577cff60080fcfad","lessThan":"727cc0147f5066e359aca65cc6cc5e6d64cc15d8","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/mxm-wmi.c"],"versions":[{"version":"3.0","status":"affected"},{"version":"0","lessThan":"3.0","status":"unaffected","versionType":"semver"},{"version":"4.14.303","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.270","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.229","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.163","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.86","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.16","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1.2","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.2"}]}]}],"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"}],"title":"platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()","x_generator":{"engine":"bippy-1.2.0"}}}}