{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53845",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-09T01:27:17.827Z",
        "datePublished": "2025-12-09T01:30:08.016Z",
        "dateUpdated": "2026-05-11T19:52:37.795Z"
    },
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            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix infinite loop in nilfs_mdt_get_block()\n\nIf the disk image that nilfs2 mounts is corrupted and a virtual block\naddress obtained by block lookup for a metadata file is invalid,\nnilfs_bmap_lookup_at_level() may return the same internal return code as\n-ENOENT, meaning the block does not exist in the metadata file.\n\nThis duplication of return codes confuses nilfs_mdt_get_block(), causing\nit to read and create a metadata block indefinitely.\n\nIn particular, if this happens to the inode metadata file, ifile,\nsemaphore i_rwsem can be left held, causing task hangs in lock_mount.\n\nFix this issue by making nilfs_bmap_lookup_at_level() treat virtual block\naddress translation failures with -ENOENT as metadata corruption instead\nof returning the error code."
                }
            ],
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
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                    ],
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                            "version": "2.6.30",
                            "status": "affected"
                        },
                        {
                            "version": "0",
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                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.315",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.283",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.243",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.180",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
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                        },
                        {
                            "version": "5.15.111",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.28",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.15",
                            "lessThanOrEqual": "6.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.2",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
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                    "url": "https://git.kernel.org/stable/c/cfb0bb4fbd40c1f06da7e9f88c0a2d46155b90c2"
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                {
                    "url": "https://git.kernel.org/stable/c/d536f9976bb04e9c84cf80045a9355975e418f41"
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                    "url": "https://git.kernel.org/stable/c/fe1cbbcb1a2532ee1654e1ff121be8906d83c6f0"
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                    "url": "https://git.kernel.org/stable/c/8a89d36a07afe1ed4564df51fefa2bb556c85412"
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                {
                    "url": "https://git.kernel.org/stable/c/8d07d9119642ba43d21f8ba64d51d01931096b20"
                },
                {
                    "url": "https://git.kernel.org/stable/c/25457d07c8146e57d28906c663def033dc425af6"
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                {
                    "url": "https://git.kernel.org/stable/c/a6a491c048882e7e424d407d32cba0b52d9ef2bf"
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            ],
            "title": "nilfs2: fix infinite loop in nilfs_mdt_get_block()",
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