{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-22124",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.823Z",
        "datePublished": "2025-04-16T14:13:08.134Z",
        "dateUpdated": "2026-05-23T15:57:56.982Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:57:56.982Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/md-bitmap: fix wrong bitmap_limit for clustermd when write sb\n\nIn clustermd, separate write-intent-bitmaps are used for each cluster\nnode:\n\n0                    4k                     8k                    12k\n-------------------------------------------------------------------\n| idle                | md super            | bm super [0] + bits |\n| bm bits[0, contd]   | bm super[1] + bits  | bm bits[1, contd]   |\n| bm super[2] + bits  | bm bits [2, contd]  | bm super[3] + bits  |\n| bm bits [3, contd]  |                     |                     |\n\nSo in node 1, pg_index in __write_sb_page() could equal to\nbitmap->storage.file_pages. Then bitmap_limit will be calculated to\n0. md_super_write() will be called with 0 size.\nThat means the first 4k sb area of node 1 will never be updated\nthrough filemap_write_page().\nThis bug causes hang of mdadm/clustermd_tests/01r1_Grow_resize.\n\nHere use (pg_index % bitmap->storage.file_pages) to make calculation\nof bitmap_limit correct."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/md-bitmap.c"
                    ],
                    "versions": [
                        {
                            "version": "ab99a87542f194f28e2364a42afbf9fb48b1c724",
                            "lessThan": "60196f92bbc7901eb5cfa5d456651b87ea50a4a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab99a87542f194f28e2364a42afbf9fb48b1c724",
                            "lessThan": "bc3a9788961631359527763d7e1fcf26554c7cb1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab99a87542f194f28e2364a42afbf9fb48b1c724",
                            "lessThan": "6130825f34d41718c98a9b1504a79a23e379701e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "655cc01889fa9b65441922565cddee64af49e6d6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5600d6013c634c2b6b6c6c55c8ecb50c3a6211f2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.44",
                            "lessThan": "6.7",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.10.3",
                            "lessThan": "6.11",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/md-bitmap.c"
                    ],
                    "versions": [
                        {
                            "version": "6.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.46",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.2",
                            "lessThanOrEqual": "6.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15",
                            "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": "6.11",
                                    "versionEndExcluding": "6.12.46"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.11",
                                    "versionEndExcluding": "6.14.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.11",
                                    "versionEndExcluding": "6.15"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6.44"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/60196f92bbc7901eb5cfa5d456651b87ea50a4a3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bc3a9788961631359527763d7e1fcf26554c7cb1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6130825f34d41718c98a9b1504a79a23e379701e"
                }
            ],
            "title": "md/md-bitmap: fix wrong bitmap_limit for clustermd when write sb",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}