{"id":"CVE-2022-50347","state":"PUBLISHED","title":"mmc: rtsx_usb_sdmmc: fix return value check of mmc_add_host()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: rtsx_usb_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 calling mmc_free_host() in the\nerror path, besides, led_classdev_unregister() and pm_runtime_disable() also\nneed be called.","publishedAt":"2025-09-16T16:11:39.891Z","updatedAt":"2026-05-11T19:17:46.521Z","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":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"d7ad7278be401b09c9f9a9f522cf4c449c7fd489","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"e598c9683fe1cf97c2b11b800cc3cee072108220","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"89303ddbb502c3bc8edbf864f9f85500c8fe07e9","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"937112e991ed25d1727d878734adcbef3b900274","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"7fa922c7a3dd623fd59f1af50e8896fd9ca7f654","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"df683201c7ffbd21a806a7cad657b661c5ebfb6f","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"1491667d5450778a265eddddd294219acfd648cb","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"a522e26a20a43dcfbef9ee9f71ed803290e852b0","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"fc38a5a10e9e5a75eb9189854abeb8405b214cc9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/rtsx_usb_sdmmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.16","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/rtsx_usb_sdmmc.c"]}],"references":["https://git.kernel.org/stable/c/d7ad7278be401b09c9f9a9f522cf4c449c7fd489","https://git.kernel.org/stable/c/e598c9683fe1cf97c2b11b800cc3cee072108220","https://git.kernel.org/stable/c/89303ddbb502c3bc8edbf864f9f85500c8fe07e9","https://git.kernel.org/stable/c/937112e991ed25d1727d878734adcbef3b900274","https://git.kernel.org/stable/c/7fa922c7a3dd623fd59f1af50e8896fd9ca7f654","https://git.kernel.org/stable/c/df683201c7ffbd21a806a7cad657b661c5ebfb6f","https://git.kernel.org/stable/c/1491667d5450778a265eddddd294219acfd648cb","https://git.kernel.org/stable/c/a522e26a20a43dcfbef9ee9f71ed803290e852b0","https://git.kernel.org/stable/c/fc38a5a10e9e5a75eb9189854abeb8405b214cc9"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50347.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50347","state":"PUBLISHED","datePublished":"2025-09-16T16:11:39.891Z","dateUpdated":"2026-05-11T19:17:46.521Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T16:03:27.882Z"},"containers":{"cna":{"title":"mmc: rtsx_usb_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: rtsx_usb_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 calling mmc_free_host() in the\nerror path, besides, led_classdev_unregister() and pm_runtime_disable() also\nneed be called."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"d7ad7278be401b09c9f9a9f522cf4c449c7fd489","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"e598c9683fe1cf97c2b11b800cc3cee072108220","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"89303ddbb502c3bc8edbf864f9f85500c8fe07e9","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"937112e991ed25d1727d878734adcbef3b900274","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"7fa922c7a3dd623fd59f1af50e8896fd9ca7f654","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"df683201c7ffbd21a806a7cad657b661c5ebfb6f","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"1491667d5450778a265eddddd294219acfd648cb","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"a522e26a20a43dcfbef9ee9f71ed803290e852b0","versionType":"git"},{"version":"c7f6558d84afe60016b8103c0737df6e376a1c2d","status":"affected","lessThan":"fc38a5a10e9e5a75eb9189854abeb8405b214cc9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/host/rtsx_usb_sdmmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.16","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/rtsx_usb_sdmmc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d7ad7278be401b09c9f9a9f522cf4c449c7fd489"},{"url":"https://git.kernel.org/stable/c/e598c9683fe1cf97c2b11b800cc3cee072108220"},{"url":"https://git.kernel.org/stable/c/89303ddbb502c3bc8edbf864f9f85500c8fe07e9"},{"url":"https://git.kernel.org/stable/c/937112e991ed25d1727d878734adcbef3b900274"},{"url":"https://git.kernel.org/stable/c/7fa922c7a3dd623fd59f1af50e8896fd9ca7f654"},{"url":"https://git.kernel.org/stable/c/df683201c7ffbd21a806a7cad657b661c5ebfb6f"},{"url":"https://git.kernel.org/stable/c/1491667d5450778a265eddddd294219acfd648cb"},{"url":"https://git.kernel.org/stable/c/a522e26a20a43dcfbef9ee9f71ed803290e852b0"},{"url":"https://git.kernel.org/stable/c/fc38a5a10e9e5a75eb9189854abeb8405b214cc9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:17:46.521Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine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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-2022-50347","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:21:11.875111Z"}}}],"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":"2026-01-14T18:22:58.473Z"}}]}}}