{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50640","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-08T23:57:43.370Z","datePublished":"2025-12-09T00:00:13.871Z","dateUpdated":"2026-05-11T19:22:45.426Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:22:45.426Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: core: Fix kernel panic when remove non-standard SDIO card\n\nSDIO tuple is only allocated for standard SDIO card, especially it causes\nmemory corruption issues when the non-standard SDIO card has removed, which\nis because the card device's reference counter does not increase for it at\nsdio_init_func(), but all SDIO card device reference counter gets decreased\nat sdio_release_func()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mmc/core/sdio_bus.c"],"versions":[{"version":"6f51be3d37dff73cf8db771df4169f4c2f1cbf66","lessThan":"b8b2965932e702b21e335ff30e1bb550f5a23b6f","status":"affected","versionType":"git"},{"version":"6f51be3d37dff73cf8db771df4169f4c2f1cbf66","lessThan":"b3275dde570b6420106a715bb58a0af041b94d95","status":"affected","versionType":"git"},{"version":"6f51be3d37dff73cf8db771df4169f4c2f1cbf66","lessThan":"1fb79478695d92bab1c120ad3dad05252b02a29d","status":"affected","versionType":"git"},{"version":"6f51be3d37dff73cf8db771df4169f4c2f1cbf66","lessThan":"7a09c64b7da0abdec3919812e3d93ecc44069ed0","status":"affected","versionType":"git"},{"version":"6f51be3d37dff73cf8db771df4169f4c2f1cbf66","lessThan":"8bf037279b5869ae9331c42bb1527d2680ebba96","status":"affected","versionType":"git"},{"version":"6f51be3d37dff73cf8db771df4169f4c2f1cbf66","lessThan":"1e8cd93ae536581562bab4e1d8c5315bbc2548bf","status":"affected","versionType":"git"},{"version":"6f51be3d37dff73cf8db771df4169f4c2f1cbf66","lessThan":"66d461a92f32b6995b630625d350259b6b1f961b","status":"affected","versionType":"git"},{"version":"6f51be3d37dff73cf8db771df4169f4c2f1cbf66","lessThan":"9972e6b404884adae9eec7463e30d9b3c9a70b18","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/core/sdio_bus.c"],"versions":[{"version":"2.6.36","status":"affected"},{"version":"0","lessThan":"2.6.36","status":"unaffected","versionType":"semver"},{"version":"4.9.332","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.298","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.264","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.223","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.153","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.77","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.7","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","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":"2.6.36","versionEndExcluding":"4.9.332"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"4.14.298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"4.19.264"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"5.4.223"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"5.10.153"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"5.15.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b8b2965932e702b21e335ff30e1bb550f5a23b6f"},{"url":"https://git.kernel.org/stable/c/b3275dde570b6420106a715bb58a0af041b94d95"},{"url":"https://git.kernel.org/stable/c/1fb79478695d92bab1c120ad3dad05252b02a29d"},{"url":"https://git.kernel.org/stable/c/7a09c64b7da0abdec3919812e3d93ecc44069ed0"},{"url":"https://git.kernel.org/stable/c/8bf037279b5869ae9331c42bb1527d2680ebba96"},{"url":"https://git.kernel.org/stable/c/1e8cd93ae536581562bab4e1d8c5315bbc2548bf"},{"url":"https://git.kernel.org/stable/c/66d461a92f32b6995b630625d350259b6b1f961b"},{"url":"https://git.kernel.org/stable/c/9972e6b404884adae9eec7463e30d9b3c9a70b18"}],"title":"mmc: core: Fix kernel panic when remove non-standard SDIO card","x_generator":{"engine":"bippy-1.2.0"}}}}