{"id":"CVE-2022-50769","summary":"mmc: mxcmmc: fix return value check of mmc_add_host()","details":"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().","modified":"2026-04-02T08:28:45.049920Z","published":"2025-12-24T13:05:58.994Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0317-1","SUSE-SU-2026:0411-1","SUSE-SU-2026:0617-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50769.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1cf0c1e58738b97e2de207846105b6a5d46622ee"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2d496050ded83b13b16f05e1fc0329b0210d2493"},{"type":"WEB","url":"https://git.kernel.org/stable/c/32eb502c972dfc34413c9147418b3d94d870c2b8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3904eb97bb78fdca3e16d30a38ce5697b9686110"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5f35c038c9f4d258b3cf77885a2730f1417d63e7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cde600af7b413c9fe03e85c58c4279df90e91d13"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d2ead18bc7cc166220cab5a744a05c5b69431a12"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d37474ab9a79149075f0823315c6d45dd983a78c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50769.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50769"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d96be879ff469759af6d7fcebdb66237c18da6f8"},{"fixed":"5f35c038c9f4d258b3cf77885a2730f1417d63e7"},{"fixed":"1cf0c1e58738b97e2de207846105b6a5d46622ee"},{"fixed":"b8bdb3fd13d5cd1e86d22fd3f803a742fd88af89"},{"fixed":"32eb502c972dfc34413c9147418b3d94d870c2b8"},{"fixed":"3904eb97bb78fdca3e16d30a38ce5697b9686110"},{"fixed":"2d496050ded83b13b16f05e1fc0329b0210d2493"},{"fixed":"d37474ab9a79149075f0823315c6d45dd983a78c"},{"fixed":"d2ead18bc7cc166220cab5a744a05c5b69431a12"},{"fixed":"cde600af7b413c9fe03e85c58c4279df90e91d13"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50769.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.29"},{"fixed":"4.9.337"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.303"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.270"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.229"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.163"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.1.0"},{"fixed":"6.1.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50769.json"}}],"schema_version":"1.7.5"}