{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49674",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:21:30.438Z",
        "datePublished": "2025-02-26T02:24:06.636Z",
        "dateUpdated": "2026-05-11T19:04:30.174Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:04:30.174Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm raid: fix accesses beyond end of raid member array\n\nOn dm-raid table load (using raid_ctr), dm-raid allocates an array\nrs->devs[rs->raid_disks] for the raid device members. rs->raid_disks\nis defined by the number of raid metadata and image tupples passed\ninto the target's constructor.\n\nIn the case of RAID layout changes being requested, that number can be\ndifferent from the current number of members for existing raid sets as\ndefined in their superblocks. Example RAID layout changes include:\n- raid1 legs being added/removed\n- raid4/5/6/10 number of stripes changed (stripe reshaping)\n- takeover to higher raid level (e.g. raid5 -> raid6)\n\nWhen accessing array members, rs->raid_disks must be used in control\nloops instead of the potentially larger value in rs->md.raid_disks.\nOtherwise it will cause memory access beyond the end of the rs->devs\narray.\n\nFix this by changing code that is prone to out-of-bounds access.\nAlso fix validate_raid_redundancy() to validate all devices that are\nadded. Also, use braces to help clean up raid_iterate_devices().\n\nThe out-of-bounds memory accesses was discovered using KASAN.\n\nThis commit was verified to pass all LVM2 RAID tests (with KASAN\nenabled)."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/dm-raid.c"
                    ],
                    "versions": [
                        {
                            "version": "33e53f06850f44ec9722e08a993ecf8816e447a5",
                            "lessThan": "5e161a8826b63c0b8b43e4a7fad1f956780f42ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "33e53f06850f44ec9722e08a993ecf8816e447a5",
                            "lessThan": "df1a5ab0dd0775f2ea101c71f2addbc4c0ea0f85",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "33e53f06850f44ec9722e08a993ecf8816e447a5",
                            "lessThan": "90de15357504c8097ab29769dc6852e16281e9e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "33e53f06850f44ec9722e08a993ecf8816e447a5",
                            "lessThan": "9bf2b0757b04c78dc5d6e3a198acca98457b32a1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "33e53f06850f44ec9722e08a993ecf8816e447a5",
                            "lessThan": "6352b2f4d8e95ec0ae576d7705435d64cfa29503",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "33e53f06850f44ec9722e08a993ecf8816e447a5",
                            "lessThan": "bcff98500ea3b4e7615ec31d2bdd326bc1ef5134",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "33e53f06850f44ec9722e08a993ecf8816e447a5",
                            "lessThan": "332bd0778775d0cf105c4b9e03e460b590749916",
                            "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-raid.c"
                    ],
                    "versions": [
                        {
                            "version": "4.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.287",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.251",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.204",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.129",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.53",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.10",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "4.8",
                                    "versionEndExcluding": "4.14.287"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "4.19.251"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.4.204"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.10.129"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.15.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.18.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.19"
                                }
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                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5e161a8826b63c0b8b43e4a7fad1f956780f42ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/df1a5ab0dd0775f2ea101c71f2addbc4c0ea0f85"
                },
                {
                    "url": "https://git.kernel.org/stable/c/90de15357504c8097ab29769dc6852e16281e9e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9bf2b0757b04c78dc5d6e3a198acca98457b32a1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6352b2f4d8e95ec0ae576d7705435d64cfa29503"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bcff98500ea3b4e7615ec31d2bdd326bc1ef5134"
                },
                {
                    "url": "https://git.kernel.org/stable/c/332bd0778775d0cf105c4b9e03e460b590749916"
                }
            ],
            "title": "dm raid: fix accesses beyond end of raid member array",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}