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    "CVE_data_meta": {
        "ID": "CVE-2024-53234",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
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    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: handle NONHEAD !delta[1] lclusters gracefully\n\nsyzbot reported a WARNING in iomap_iter_done:\n iomap_fiemap+0x73b/0x9b0 fs/iomap/fiemap.c:80\n ioctl_fiemap fs/ioctl.c:220 [inline]\n\nGenerally, NONHEAD lclusters won't have delta[1]==0, except for crafted\nimages and filesystems created by pre-1.0 mkfs versions.\n\nPreviously, it would immediately bail out if delta[1]==0, which led to\ninadequate decompressed lengths (thus FIEMAP is impacted).  Treat it as\ndelta[1]=1 to work around these legacy mkfs versions.\n\n`lclusterbits > 14` is illegal for compact indexes, error out too."
            }
        ]
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    "problemtype": {
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                    {
                        "lang": "eng",
                        "value": "n/a"
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    "affects": {
        "vendor": {
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                    "product": {
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                                "version": {
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                                            "version_name": "d95ae5e25326092d61613acf98280270dde22778",
                                            "version_value": "75a0a6dde803e7a3af700da8da9a361b49f69eba"
                                        },
                                        {
                                            "version_value": "not down converted",
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                                                        "version": "5.15",
                                                        "status": "affected"
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                                                        "version": "0",
                                                        "lessThan": "5.15",
                                                        "status": "unaffected",
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                                                        "version": "6.1.127",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
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                                                        "version": "6.6.64",
                                                        "lessThanOrEqual": "6.6.*",
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                                                        "versionType": "semver"
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                                                        "version": "6.11.11",
                                                        "lessThanOrEqual": "6.11.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
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                                                    {
                                                        "version": "6.12.2",
                                                        "lessThanOrEqual": "6.12.*",
                                                        "status": "unaffected",
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                                                        "version": "6.13",
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                "name": "https://git.kernel.org/stable/c/f466641debcbea8bdf78d1b63a6270aadf9301bf"
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