{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50858","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-30T12:06:07.135Z","datePublished":"2025-12-30T12:15:32.534Z","dateUpdated":"2026-05-11T19:26:29.001Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:26:29.001Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: alcor: 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 calling mmc_free_host() in the\nerror path."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/alcor.c"],"versions":[{"version":"c5413ad815a675b5c98a002353d8e96b44b164e9","lessThan":"289c964fe182ce755044a6cd57698072e12ffa6f","status":"affected","versionType":"git"},{"version":"c5413ad815a675b5c98a002353d8e96b44b164e9","lessThan":"4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2","status":"affected","versionType":"git"},{"version":"c5413ad815a675b5c98a002353d8e96b44b164e9","lessThan":"29c5b4da41f35108136d843c7432885c78cf8272","status":"affected","versionType":"git"},{"version":"c5413ad815a675b5c98a002353d8e96b44b164e9","lessThan":"48dc06333d75f41c2ce9ba954bc3231324b45914","status":"affected","versionType":"git"},{"version":"c5413ad815a675b5c98a002353d8e96b44b164e9","lessThan":"60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2","status":"affected","versionType":"git"},{"version":"c5413ad815a675b5c98a002353d8e96b44b164e9","lessThan":"e93d1468f429475a753d6baa79b853b7ee5ef8c0","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/alcor.c"],"versions":[{"version":"5.0","status":"affected"},{"version":"0","lessThan":"5.0","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":"5.0","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/289c964fe182ce755044a6cd57698072e12ffa6f"},{"url":"https://git.kernel.org/stable/c/4a6e5d0222804a3eaf2ea4cf893f412e7cf98cb2"},{"url":"https://git.kernel.org/stable/c/29c5b4da41f35108136d843c7432885c78cf8272"},{"url":"https://git.kernel.org/stable/c/48dc06333d75f41c2ce9ba954bc3231324b45914"},{"url":"https://git.kernel.org/stable/c/60fafcf2fb7ee9a4125dc9a86eeb9d490acf23e2"},{"url":"https://git.kernel.org/stable/c/e93d1468f429475a753d6baa79b853b7ee5ef8c0"}],"title":"mmc: alcor: fix return value check of mmc_add_host()","x_generator":{"engine":"bippy-1.2.0"}}}}