{"id":"CVE-2022-50353","state":"PUBLISHED","title":"mmc: wmt-sdmmc: fix return value check of mmc_add_host()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: wmt-sdmmc: 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, clk_disable_unprepare() also needs be called.","publishedAt":"2025-09-17T14:56:06.761Z","updatedAt":"2026-05-11T19:17:53.702Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"70b0620afab3c69d95a7e2dd7ceff162a21c4009","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"ecd6f77af3478f5223aa4011642a891b7dc91228","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"c7a328cea791cc2769b6417943939420913b4a46","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"9bedf64dda84b29151e41591d8ded9ff0e6d336a","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"b40ac3b696a9c84b36211ef0c3f5a422650c101b","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"eb7a2d516d4fbd165c07877a20feccb047342b1f","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"29276d56f6ed138db0f38cd31aedc0b725c8c76c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/wmt-sdmmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.8","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/wmt-sdmmc.c"]}],"references":["https://git.kernel.org/stable/c/70b0620afab3c69d95a7e2dd7ceff162a21c4009","https://git.kernel.org/stable/c/ecd6f77af3478f5223aa4011642a891b7dc91228","https://git.kernel.org/stable/c/c7a328cea791cc2769b6417943939420913b4a46","https://git.kernel.org/stable/c/9bedf64dda84b29151e41591d8ded9ff0e6d336a","https://git.kernel.org/stable/c/58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67","https://git.kernel.org/stable/c/b40ac3b696a9c84b36211ef0c3f5a422650c101b","https://git.kernel.org/stable/c/eb7a2d516d4fbd165c07877a20feccb047342b1f","https://git.kernel.org/stable/c/29276d56f6ed138db0f38cd31aedc0b725c8c76c"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50353.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50353","state":"PUBLISHED","datePublished":"2025-09-17T14:56:06.761Z","dateUpdated":"2026-05-11T19:17:53.702Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T16:03:27.882Z"},"containers":{"cna":{"title":"mmc: wmt-sdmmc: fix return value check of mmc_add_host()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: wmt-sdmmc: 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, clk_disable_unprepare() also needs be called."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"70b0620afab3c69d95a7e2dd7ceff162a21c4009","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"ecd6f77af3478f5223aa4011642a891b7dc91228","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"c7a328cea791cc2769b6417943939420913b4a46","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"9bedf64dda84b29151e41591d8ded9ff0e6d336a","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"b40ac3b696a9c84b36211ef0c3f5a422650c101b","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"eb7a2d516d4fbd165c07877a20feccb047342b1f","versionType":"git"},{"version":"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360","status":"affected","lessThan":"29276d56f6ed138db0f38cd31aedc0b725c8c76c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/wmt-sdmmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.8","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/wmt-sdmmc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/70b0620afab3c69d95a7e2dd7ceff162a21c4009"},{"url":"https://git.kernel.org/stable/c/ecd6f77af3478f5223aa4011642a891b7dc91228"},{"url":"https://git.kernel.org/stable/c/c7a328cea791cc2769b6417943939420913b4a46"},{"url":"https://git.kernel.org/stable/c/9bedf64dda84b29151e41591d8ded9ff0e6d336a"},{"url":"https://git.kernel.org/stable/c/58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67"},{"url":"https://git.kernel.org/stable/c/b40ac3b696a9c84b36211ef0c3f5a422650c101b"},{"url":"https://git.kernel.org/stable/c/eb7a2d516d4fbd165c07877a20feccb047342b1f"},{"url":"https://git.kernel.org/stable/c/29276d56f6ed138db0f38cd31aedc0b725c8c76c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:17:53.702Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-50353","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:31:18.543787Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T18:33:00.665Z"}}]}}}