{"id":"CVE-2022-50140","state":"PUBLISHED","title":"memstick/ms_block: Fix a memory leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmemstick/ms_block: Fix a memory leak\n\n'erased_blocks_bitmap' is never freed. As it is allocated at the same time\nas 'used_blocks_bitmap', it is likely that it should be freed also at the\nsame time.\n\nAdd the corresponding bitmap_free() in msb_data_clear().","publishedAt":"2025-06-18T11:03:03.027Z","updatedAt":"2026-05-11T19:13:35.821Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"efd675246aec045507b9425c67b548cc2d782d8f","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"37958980eb4cd71ae594ace093c11b6a91e165e8","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"9d8b911fe3c3ed788c66edba7c90e32a4a7a5f53","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"9260a154b3b5e387dbceec7c0ac441470646bc6f","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"961d7d12080fe70847f944d656e36cd0dd0214ba","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"16e07966638717416abf45393d6a80a5a1034429","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"39be95d1ff7b44c1e969af72ba9da7332dfcc1da","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"54eb7a55be6779c4d0c25eaf5056498a28595049","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/memstick/core/ms_block.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"4.14.291","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/memstick/core/ms_block.c"]}],"references":["https://git.kernel.org/stable/c/efd675246aec045507b9425c67b548cc2d782d8f","https://git.kernel.org/stable/c/37958980eb4cd71ae594ace093c11b6a91e165e8","https://git.kernel.org/stable/c/9d8b911fe3c3ed788c66edba7c90e32a4a7a5f53","https://git.kernel.org/stable/c/9260a154b3b5e387dbceec7c0ac441470646bc6f","https://git.kernel.org/stable/c/961d7d12080fe70847f944d656e36cd0dd0214ba","https://git.kernel.org/stable/c/16e07966638717416abf45393d6a80a5a1034429","https://git.kernel.org/stable/c/39be95d1ff7b44c1e969af72ba9da7332dfcc1da","https://git.kernel.org/stable/c/54eb7a55be6779c4d0c25eaf5056498a28595049"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50140.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50140","state":"PUBLISHED","datePublished":"2025-06-18T11:03:03.027Z","dateUpdated":"2026-05-11T19:13:35.821Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.423Z"},"containers":{"cna":{"title":"memstick/ms_block: Fix a memory leak","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmemstick/ms_block: Fix a memory leak\n\n'erased_blocks_bitmap' is never freed. As it is allocated at the same time\nas 'used_blocks_bitmap', it is likely that it should be freed also at the\nsame time.\n\nAdd the corresponding bitmap_free() in msb_data_clear()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"efd675246aec045507b9425c67b548cc2d782d8f","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"37958980eb4cd71ae594ace093c11b6a91e165e8","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"9d8b911fe3c3ed788c66edba7c90e32a4a7a5f53","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"9260a154b3b5e387dbceec7c0ac441470646bc6f","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"961d7d12080fe70847f944d656e36cd0dd0214ba","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"16e07966638717416abf45393d6a80a5a1034429","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"39be95d1ff7b44c1e969af72ba9da7332dfcc1da","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","status":"affected","lessThan":"54eb7a55be6779c4d0c25eaf5056498a28595049","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/memstick/core/ms_block.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"4.14.291","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/memstick/core/ms_block.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/efd675246aec045507b9425c67b548cc2d782d8f"},{"url":"https://git.kernel.org/stable/c/37958980eb4cd71ae594ace093c11b6a91e165e8"},{"url":"https://git.kernel.org/stable/c/9d8b911fe3c3ed788c66edba7c90e32a4a7a5f53"},{"url":"https://git.kernel.org/stable/c/9260a154b3b5e387dbceec7c0ac441470646bc6f"},{"url":"https://git.kernel.org/stable/c/961d7d12080fe70847f944d656e36cd0dd0214ba"},{"url":"https://git.kernel.org/stable/c/16e07966638717416abf45393d6a80a5a1034429"},{"url":"https://git.kernel.org/stable/c/39be95d1ff7b44c1e969af72ba9da7332dfcc1da"},{"url":"https://git.kernel.org/stable/c/54eb7a55be6779c4d0c25eaf5056498a28595049"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:13:35.821Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"4.14.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}