{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46161",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.102Z",
        "datePublished": "2026-05-28T09:36:16.428Z",
        "dateUpdated": "2026-10-15T01:20:53.911Z"
    },
    "containers": {
        "cna": {
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                "shortName": "Linux",
                "dateUpdated": "2026-06-14T17:59:07.789Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix divide-by-zero in setup_geo() with zero far_copies\n\nsetup_geo() extracts near_copies (nc) and far_copies (fc) from the\nuser-provided layout parameter without checking for zero. When fc=0\nwith the \"improved\" far set layout selected, 'geo->far_set_size =\ndisks / fc' triggers a divide-by-zero.\n\nValidate nc and fc immediately after extraction, returning -1 if\neither is zero."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/raid10.c"
                    ],
                    "versions": [
                        {
                            "version": "475901aff15841fb0a81e7546517407779a9b061",
                            "lessThan": "0b43a70394ce492274e67463326be03e0a9897c5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "475901aff15841fb0a81e7546517407779a9b061",
                            "lessThan": "c716ab3034f84f8a6c226814247b8c5ac9f95da1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "475901aff15841fb0a81e7546517407779a9b061",
                            "lessThan": "553e32adfa1a96b217651139a3f8c3b92b9984ac",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "475901aff15841fb0a81e7546517407779a9b061",
                            "lessThan": "4af2e558e6fdfb972c61350653fd55d1f62b60a5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "475901aff15841fb0a81e7546517407779a9b061",
                            "lessThan": "9d8e03b9a2b1e8ce5c198bf3a409a629f4d02cda",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "475901aff15841fb0a81e7546517407779a9b061",
                            "lessThan": "913d556e4bd1b56ed822815655b82c7bb54edc51",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "475901aff15841fb0a81e7546517407779a9b061",
                            "lessThan": "f9ddb621b2325eb69c95692958daf2bab4dea2c4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "475901aff15841fb0a81e7546517407779a9b061",
                            "lessThan": "9aa6d860b0930e2f72795665c42c44252a558a0c",
                            "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/md/raid10.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.88",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.30",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.7",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "3.9",
                                    "versionEndExcluding": "5.10.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.1.175"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "6.6.140"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.12.88"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "6.18.30"
                                },
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
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                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0b43a70394ce492274e67463326be03e0a9897c5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c716ab3034f84f8a6c226814247b8c5ac9f95da1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/553e32adfa1a96b217651139a3f8c3b92b9984ac"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4af2e558e6fdfb972c61350653fd55d1f62b60a5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9d8e03b9a2b1e8ce5c198bf3a409a629f4d02cda"
                },
                {
                    "url": "https://git.kernel.org/stable/c/913d556e4bd1b56ed822815655b82c7bb54edc51"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f9ddb621b2325eb69c95692958daf2bab4dea2c4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9aa6d860b0930e2f72795665c42c44252a558a0c"
                }
            ],
            "title": "md/raid10: fix divide-by-zero in setup_geo() with zero far_copies",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "x_adpType": "supplier",
                "providerMetadata": {
                    "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
                    "shortName": "siemens-SADP",
                    "dateUpdated": "2026-10-15T01:20:53.911Z"
                },
                "affected": [
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "0",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    }
                ],
                "references": [
                    {
                        "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
                    }
                ]
            }
        ]
    }
}