{"id":"CVE-2022-49665","state":"PUBLISHED","title":"platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource\n\nUnlike release_mem_region(), a call to release_resource() does not\nfree the resource, so it has to be freed explicitly to avoid a memory\nleak.","publishedAt":"2025-02-26T02:24:00.496Z","updatedAt":"2026-05-11T19:04:19.552Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"455cd867b85b53fd3602345f9b8a8facc551adc9","status":"affected","lessThan":"3884bf75fa044c73e843d95dd71a424e80ebb095","versionType":"git"},{"version":"455cd867b85b53fd3602345f9b8a8facc551adc9","status":"affected","lessThan":"d2f33f0c3ad7b0d5262d9b986f1353265fad7a08","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/thinkpad_acpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"5.18.10","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","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/thinkpad_acpi.c"]}],"references":["https://git.kernel.org/stable/c/3884bf75fa044c73e843d95dd71a424e80ebb095","https://git.kernel.org/stable/c/d2f33f0c3ad7b0d5262d9b986f1353265fad7a08"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49665.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49665","state":"PUBLISHED","datePublished":"2025-02-26T02:24:00.496Z","dateUpdated":"2026-05-11T19:04:19.552Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.436Z"},"containers":{"cna":{"title":"platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource\n\nUnlike release_mem_region(), a call to release_resource() does not\nfree the resource, so it has to be freed explicitly to avoid a memory\nleak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"455cd867b85b53fd3602345f9b8a8facc551adc9","status":"affected","lessThan":"3884bf75fa044c73e843d95dd71a424e80ebb095","versionType":"git"},{"version":"455cd867b85b53fd3602345f9b8a8facc551adc9","status":"affected","lessThan":"d2f33f0c3ad7b0d5262d9b986f1353265fad7a08","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/thinkpad_acpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"5.18.10","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","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/thinkpad_acpi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3884bf75fa044c73e843d95dd71a424e80ebb095"},{"url":"https://git.kernel.org/stable/c/d2f33f0c3ad7b0d5262d9b986f1353265fad7a08"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:04:19.552Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"5.18.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}