{"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"}}}}

{}

{"cveTags": [], "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()."}], "id": "CVE-2022-50640", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-09T01:16:46.410", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1e8cd93ae536581562bab4e1d8c5315bbc2548bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1fb79478695d92bab1c120ad3dad05252b02a29d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/66d461a92f32b6995b630625d350259b6b1f961b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7a09c64b7da0abdec3919812e3d93ecc44069ed0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8bf037279b5869ae9331c42bb1527d2680ebba96"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9972e6b404884adae9eec7463e30d9b3c9a70b18"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b3275dde570b6420106a715bb58a0af041b94d95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b8b2965932e702b21e335ff30e1bb550f5a23b6f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: mmc: core: Fix kernel panic when remove non-standard SDIO card", "id": "2420263", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420263"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmmc: core: Fix kernel panic when remove non-standard SDIO card\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()."], "name": "CVE-2022-50640", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50640\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50640\nhttps://lore.kernel.org/linux-cve-announce/2025120935-CVE-2022-50640-324c@gregkh/T"], "threat_severity": "Moderate"}

{}