{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89575",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.727Z",
        "datePublished": "2026-09-11T19:44:43.139Z",
        "dateUpdated": "2026-10-19T08:49:08.414Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:49:08.414Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm raid1: reserve space for NUL-terminator in build_constructor_string()\n\nReserve space for the termination NUL after the maximum 20 decimal\ndigits of a long long value to avoid buffer overflow in sprintf()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/dm-log-userspace-base.c"
                    ],
                    "versions": [
                        {
                            "version": "f5db4af466e2dca0fe822019812d586ca910b00c",
                            "lessThan": "35ba81c93fe7392c973af9881640180490e76f34",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5db4af466e2dca0fe822019812d586ca910b00c",
                            "lessThan": "1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5db4af466e2dca0fe822019812d586ca910b00c",
                            "lessThan": "7b035983b895db3ae01d9855963d42541db42125",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5db4af466e2dca0fe822019812d586ca910b00c",
                            "lessThan": "01a0276706c7b6fb758a8e2ff9cf221a3dfcae97",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5db4af466e2dca0fe822019812d586ca910b00c",
                            "lessThan": "0a3657ebd6b517b60cdc5123894047616974e25b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5db4af466e2dca0fe822019812d586ca910b00c",
                            "lessThan": "644140527ae494cedf3b5c0ecd16287deaea7a66",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5db4af466e2dca0fe822019812d586ca910b00c",
                            "lessThan": "f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5db4af466e2dca0fe822019812d586ca910b00c",
                            "lessThan": "73c37fe54cd056d07461b142ab0b8b81e1ef6ad8",
                            "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/dm-log-userspace-base.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.31",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.31",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "2.6.31",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.12.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.18.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/35ba81c93fe7392c973af9881640180490e76f34"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7b035983b895db3ae01d9855963d42541db42125"
                },
                {
                    "url": "https://git.kernel.org/stable/c/01a0276706c7b6fb758a8e2ff9cf221a3dfcae97"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0a3657ebd6b517b60cdc5123894047616974e25b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/644140527ae494cedf3b5c0ecd16287deaea7a66"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/73c37fe54cd056d07461b142ab0b8b81e1ef6ad8"
                }
            ],
            "title": "dm raid1: reserve space for NUL-terminator in build_constructor_string()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}