{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43163",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.990Z",
        "datePublished": "2026-05-06T11:27:41.265Z",
        "dateUpdated": "2026-05-11T22:18:58.873Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:18:58.873Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/bitmap: fix GPF in write_page caused by resize race\n\nA General Protection Fault occurs in write_page() during array resize:\nRIP: 0010:write_page+0x22b/0x3c0 [md_mod]\n\nThis is a use-after-free race between bitmap_daemon_work() and\n__bitmap_resize(). The daemon iterates over `bitmap->storage.filemap`\nwithout locking, while the resize path frees that storage via\nmd_bitmap_file_unmap(). `quiesce()` does not stop the md thread,\nallowing concurrent access to freed pages.\n\nFix by holding `mddev->bitmap_info.mutex` during the bitmap update."
                }
            ],
            "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": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
                            "lessThan": "140cc839fbeb1ddb33a8da8811b716d88d3905b7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
                            "lessThan": "ebcacc7ca22d5e8a03a970f0621ae1d1356b9ae8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
                            "lessThan": "d3af62411e19752c663fe4f424dbf49d95a4cc7c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
                            "lessThan": "d92b8fac294b5f915c50e65ce4ae2262e53614ec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
                            "lessThan": "a437e3bf30e32846079e470c1ba5ee790bccdf89",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
                            "lessThan": "9a6f8cd28bb9bb6ed86a6df19331fb08016dee7f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
                            "lessThan": "5f73c8b33df9a605a591eab72d43a969600c1f8c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d60b479d177a5735b6b4db6ee5280ef6653f50e7",
                            "lessThan": "46ef85f854dfa9d5226b3c1c46493d79556c9589",
                            "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/md-bitmap.c"
                    ],
                    "versions": [
                        {
                            "version": "3.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.252",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.16",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.6",
                            "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": "3.5",
                                    "versionEndExcluding": "5.10.252"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.5",
                                    "versionEndExcluding": "5.15.202"
                                },
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                },
                                {
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                                    "versionStartIncluding": "3.5",
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                                    "versionStartIncluding": "3.5",
                                    "versionEndExcluding": "7.0"
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/140cc839fbeb1ddb33a8da8811b716d88d3905b7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ebcacc7ca22d5e8a03a970f0621ae1d1356b9ae8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d3af62411e19752c663fe4f424dbf49d95a4cc7c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d92b8fac294b5f915c50e65ce4ae2262e53614ec"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a437e3bf30e32846079e470c1ba5ee790bccdf89"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9a6f8cd28bb9bb6ed86a6df19331fb08016dee7f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5f73c8b33df9a605a591eab72d43a969600c1f8c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/46ef85f854dfa9d5226b3c1c46493d79556c9589"
                }
            ],
            "title": "md/bitmap: fix GPF in write_page caused by resize race",
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    }
}