{
    "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"
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                                {
                                    "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"
            }
        }
    }
}