{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50251","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-09-15T13:58:00.973Z","datePublished":"2025-09-15T14:02:12.331Z","dateUpdated":"2026-05-11T19:15:41.971Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:15:41.971Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: vub300: fix return value check of mmc_add_host()\n\nmmc_add_host() may return error, if we ignore its return value, the memory\nthat allocated in mmc_alloc_host() will be leaked and it will lead a kernel\ncrash because of deleting not added device in the remove path.\n\nSo fix this by checking the return value and goto error path which will call\nmmc_free_host(), besides, the timer added before mmc_add_host() needs be del.\n\nAnd this patch fixes another missing call mmc_free_host() if usb_control_msg()\nfails."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/vub300.c"],"versions":[{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"41ed46bdbd2878cd6567abe0974a445f8b1b8ec8","status":"affected","versionType":"git"},{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"25f05d762ca5e1c685002a53dd44f68e78ca3feb","status":"affected","versionType":"git"},{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"a46e681151bbdacdf6b89ee8c4e5bad0555142bb","status":"affected","versionType":"git"},{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"3b29f8769d32016b2d89183db4d80c7a71b7e35e","status":"affected","versionType":"git"},{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"3049a3b927a40d89d4582ff1033cd7953be773c7","status":"affected","versionType":"git"},{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"afc898019e7bf18c5eb7a0ac19852fcb1b341b3c","status":"affected","versionType":"git"},{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"c9e85979b59cb86f0a15defa8199d740e2b36b90","status":"affected","versionType":"git"},{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"2044b2ea77945f372ef161d1bbf814e471767ff2","status":"affected","versionType":"git"},{"version":"88095e7b473a3d9ec3b9c60429576e9cbd327c89","lessThan":"0613ad2401f88bdeae5594c30afe318e93b14676","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/mmc/host/vub300.c"],"versions":[{"version":"3.0","status":"affected"},{"version":"0","lessThan":"3.0","status":"unaffected","versionType":"semver"},{"version":"4.9.337","lessThanOrEqual":"4.9.*","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":"4.9.337"},{"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/41ed46bdbd2878cd6567abe0974a445f8b1b8ec8"},{"url":"https://git.kernel.org/stable/c/25f05d762ca5e1c685002a53dd44f68e78ca3feb"},{"url":"https://git.kernel.org/stable/c/a46e681151bbdacdf6b89ee8c4e5bad0555142bb"},{"url":"https://git.kernel.org/stable/c/3b29f8769d32016b2d89183db4d80c7a71b7e35e"},{"url":"https://git.kernel.org/stable/c/3049a3b927a40d89d4582ff1033cd7953be773c7"},{"url":"https://git.kernel.org/stable/c/afc898019e7bf18c5eb7a0ac19852fcb1b341b3c"},{"url":"https://git.kernel.org/stable/c/c9e85979b59cb86f0a15defa8199d740e2b36b90"},{"url":"https://git.kernel.org/stable/c/2044b2ea77945f372ef161d1bbf814e471767ff2"},{"url":"https://git.kernel.org/stable/c/0613ad2401f88bdeae5594c30afe318e93b14676"}],"title":"mmc: vub300: fix return value check of mmc_add_host()","x_generator":{"engine":"bippy-1.2.0"}}}}