{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-31651",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-03-09T15:48:24.128Z",
        "datePublished": "2026-04-24T14:45:03.905Z",
        "dateUpdated": "2026-10-15T01:17:30.725Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:12:56.346Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: vub300: fix NULL-deref on disconnect\n\nMake sure to deregister the controller before dropping the reference to\nthe driver data on disconnect to avoid NULL-pointer dereferences or\nuse-after-free."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/mmc/host/vub300.c"
                    ],
                    "versions": [
                        {
                            "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
                            "lessThan": "6446516e626ce7c44bdadbcbb3d7677a2c52ce93",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
                            "lessThan": "ba3b9429de94958dc0060d9816a915dd75c34919",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
                            "lessThan": "517b58e1d067115f80d198feee10192da4c424d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
                            "lessThan": "6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
                            "lessThan": "53f2642d77ab5f1f303388bff5500363c6cf962c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
                            "lessThan": "c83a282615d8f7ba28cebddd54600b419d562d82",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
                            "lessThan": "8d09e75759cb2afc0732acfb5a14a93c03805a61",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
                            "lessThan": "dff34ef879c5e73298443956a8b391311ba78d57",
                            "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/host/vub300.c"
                    ],
                    "versions": [
                        {
                            "version": "3.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.169",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.135",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.82",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.23",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.13",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "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": "3.0",
                                    "versionEndExcluding": "5.10.253"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.0",
                                    "versionEndExcluding": "5.15.203"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.0",
                                    "versionEndExcluding": "6.1.169"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.0",
                                    "versionEndExcluding": "6.6.135"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.0",
                                    "versionEndExcluding": "6.12.82"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.0",
                                    "versionEndExcluding": "6.18.23"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.0",
                                    "versionEndExcluding": "6.19.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.0",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6446516e626ce7c44bdadbcbb3d7677a2c52ce93"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba3b9429de94958dc0060d9816a915dd75c34919"
                },
                {
                    "url": "https://git.kernel.org/stable/c/517b58e1d067115f80d198feee10192da4c424d0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/53f2642d77ab5f1f303388bff5500363c6cf962c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c83a282615d8f7ba28cebddd54600b419d562d82"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8d09e75759cb2afc0732acfb5a14a93c03805a61"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dff34ef879c5e73298443956a8b391311ba78d57"
                }
            ],
            "title": "mmc: vub300: fix NULL-deref on disconnect",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "x_adpType": "supplier",
                "providerMetadata": {
                    "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
                    "shortName": "siemens-SADP",
                    "dateUpdated": "2026-10-15T01:17:30.725Z"
                },
                "affected": [
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.6",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.5",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.7",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.6",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.5",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.7",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.6",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.5",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.7",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.6",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.5",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.7",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.6",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.5",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    },
                    {
                        "vendor": "Siemens",
                        "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "V3.1.7",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    }
                ],
                "references": [
                    {
                        "url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
                    },
                    {
                        "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
                    },
                    {
                        "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"
                    }
                ]
            }
        ]
    }
}