{"id":"CVE-2022-50769","state":"PUBLISHED","title":"mmc: mxcmmc: fix return value check of mmc_add_host()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mxcmmc: 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().","publishedAt":"2025-12-24T13:05:58.994Z","updatedAt":"2026-05-11T19:25:11.217Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"5f35c038c9f4d258b3cf77885a2730f1417d63e7","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"1cf0c1e58738b97e2de207846105b6a5d46622ee","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"32eb502c972dfc34413c9147418b3d94d870c2b8","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"3904eb97bb78fdca3e16d30a38ce5697b9686110","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"2d496050ded83b13b16f05e1fc0329b0210d2493","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"d37474ab9a79149075f0823315c6d45dd983a78c","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"d2ead18bc7cc166220cab5a744a05c5b69431a12","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"cde600af7b413c9fe03e85c58c4279df90e91d13","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/mxcmmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.29","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.29","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/mxcmmc.c"]}],"references":["https://git.kernel.org/stable/c/5f35c038c9f4d258b3cf77885a2730f1417d63e7","https://git.kernel.org/stable/c/1cf0c1e58738b97e2de207846105b6a5d46622ee","https://git.kernel.org/stable/c/b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89","https://git.kernel.org/stable/c/32eb502c972dfc34413c9147418b3d94d870c2b8","https://git.kernel.org/stable/c/3904eb97bb78fdca3e16d30a38ce5697b9686110","https://git.kernel.org/stable/c/2d496050ded83b13b16f05e1fc0329b0210d2493","https://git.kernel.org/stable/c/d37474ab9a79149075f0823315c6d45dd983a78c","https://git.kernel.org/stable/c/d2ead18bc7cc166220cab5a744a05c5b69431a12","https://git.kernel.org/stable/c/cde600af7b413c9fe03e85c58c4279df90e91d13"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50769.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50769","state":"PUBLISHED","datePublished":"2025-12-24T13:05:58.994Z","dateUpdated":"2026-05-11T19:25:11.217Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T13:02:21.546Z"},"containers":{"cna":{"title":"mmc: mxcmmc: fix return value check of mmc_add_host()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mxcmmc: 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()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"5f35c038c9f4d258b3cf77885a2730f1417d63e7","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"1cf0c1e58738b97e2de207846105b6a5d46622ee","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"32eb502c972dfc34413c9147418b3d94d870c2b8","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"3904eb97bb78fdca3e16d30a38ce5697b9686110","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"2d496050ded83b13b16f05e1fc0329b0210d2493","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"d37474ab9a79149075f0823315c6d45dd983a78c","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"d2ead18bc7cc166220cab5a744a05c5b69431a12","versionType":"git"},{"version":"d96be879ff469759af6d7fcebdb66237c18da6f8","status":"affected","lessThan":"cde600af7b413c9fe03e85c58c4279df90e91d13","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/mxcmmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.29","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.29","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/mxcmmc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5f35c038c9f4d258b3cf77885a2730f1417d63e7"},{"url":"https://git.kernel.org/stable/c/1cf0c1e58738b97e2de207846105b6a5d46622ee"},{"url":"https://git.kernel.org/stable/c/b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89"},{"url":"https://git.kernel.org/stable/c/32eb502c972dfc34413c9147418b3d94d870c2b8"},{"url":"https://git.kernel.org/stable/c/3904eb97bb78fdca3e16d30a38ce5697b9686110"},{"url":"https://git.kernel.org/stable/c/2d496050ded83b13b16f05e1fc0329b0210d2493"},{"url":"https://git.kernel.org/stable/c/d37474ab9a79149075f0823315c6d45dd983a78c"},{"url":"https://git.kernel.org/stable/c/d2ead18bc7cc166220cab5a744a05c5b69431a12"},{"url":"https://git.kernel.org/stable/c/cde600af7b413c9fe03e85c58c4279df90e91d13"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:25:11.217Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.2"}]}]}],"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