{"id":"CVE-2023-53830","state":"PUBLISHED","title":"platform/x86: think-lmi: Fix memory leak when showing current settings","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: think-lmi: Fix memory leak when showing current settings\n\nWhen retriving a item string with tlmi_setting(), the result has to be\nfreed using kfree(). In current_value_show() however, malformed\nitem strings are not freed, causing a memory leak.\nFix this by eliminating the early return responsible for this.","publishedAt":"2025-12-09T01:29:44.966Z","updatedAt":"2026-05-11T19:52:21.629Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0fdf10e5fc964c315cf131a2eaab9cc531a9f40f","status":"affected","lessThan":"b9396d991abe8d1ac31a043274ab20b49f92c2e6","versionType":"git"},{"version":"0fdf10e5fc964c315cf131a2eaab9cc531a9f40f","status":"affected","lessThan":"9071525bfcb1f5674117dbed3eca0cd7b122813b","versionType":"git"},{"version":"0fdf10e5fc964c315cf131a2eaab9cc531a9f40f","status":"affected","lessThan":"5f99014c19fa50a5719c0bb78143282632675893","versionType":"git"},{"version":"0fdf10e5fc964c315cf131a2eaab9cc531a9f40f","status":"affected","lessThan":"a3c4c053014585dcf20f4df954791b74d8a8afcd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/think-lmi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.107","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.24","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.11","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/think-lmi.c"]}],"references":["https://git.kernel.org/stable/c/b9396d991abe8d1ac31a043274ab20b49f92c2e6","https://git.kernel.org/stable/c/9071525bfcb1f5674117dbed3eca0cd7b122813b","https://git.kernel.org/stable/c/5f99014c19fa50a5719c0bb78143282632675893","https://git.kernel.org/stable/c/a3c4c053014585dcf20f4df954791b74d8a8afcd"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53830.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53830","state":"PUBLISHED","datePublished":"2025-12-09T01:29:44.966Z","dateUpdated":"2026-05-11T19:52:21.629Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-09T01:27:17.825Z"},"containers":{"cna":{"title":"platform/x86: think-lmi: Fix memory leak when showing current settings","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: think-lmi: Fix memory leak when showing current settings\n\nWhen retriving a item string with tlmi_setting(), the result has to be\nfreed using kfree(). In current_value_show() however, malformed\nitem strings are not freed, causing a memory leak.\nFix this by eliminating the early return responsible for this."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0fdf10e5fc964c315cf131a2eaab9cc531a9f40f","status":"affected","lessThan":"b9396d991abe8d1ac31a043274ab20b49f92c2e6","versionType":"git"},{"version":"0fdf10e5fc964c315cf131a2eaab9cc531a9f40f","status":"affected","lessThan":"9071525bfcb1f5674117dbed3eca0cd7b122813b","versionType":"git"},{"version":"0fdf10e5fc964c315cf131a2eaab9cc531a9f40f","status":"affected","lessThan":"5f99014c19fa50a5719c0bb78143282632675893","versionType":"git"},{"version":"0fdf10e5fc964c315cf131a2eaab9cc531a9f40f","status":"affected","lessThan":"a3c4c053014585dcf20f4df954791b74d8a8afcd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/think-lmi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.107","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.24","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.11","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/think-lmi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b9396d991abe8d1ac31a043274ab20b49f92c2e6"},{"url":"https://git.kernel.org/stable/c/9071525bfcb1f5674117dbed3eca0cd7b122813b"},{"url":"https://git.kernel.org/stable/c/5f99014c19fa50a5719c0bb78143282632675893"},{"url":"https://git.kernel.org/stable/c/a3c4c053014585dcf20f4df954791b74d8a8afcd"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:52:21.629Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.15.107"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.2.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}