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    "cveMetadata": {
        "cveId": "CVE-2024-42231",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-07-30T07:40:12.251Z",
        "datePublished": "2024-07-30T07:47:11.409Z",
        "dateUpdated": "2026-05-11T20:28:20.596Z"
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                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: fix calc_available_free_space() for zoned mode\n\ncalc_available_free_space() returns the total size of metadata (or\nsystem) block groups, which can be allocated from unallocated disk\nspace. The logic is wrong on zoned mode in two places.\n\nFirst, the calculation of data_chunk_size is wrong. We always allocate\none zone as one chunk, and no partial allocation of a zone. So, we\nshould use zone_size (= data_sinfo->chunk_size) as it is.\n\nSecond, the result \"avail\" may not be zone aligned. Since we always\nallocate one zone as one chunk on zoned mode, returning non-zone size\naligned bytes will result in less pressure on the async metadata reclaim\nprocess.\n\nThis is serious for the nearly full state with a large zone size device.\nAllowing over-commit too much will result in less async reclaim work and\nend up in ENOSPC. We can align down to the zone size to avoid that."
                }
            ],
            "affected": [
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/space-info.c"
                    ],
                    "versions": [
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                            "version": "cb6cbab79055ca207ad88bc54226b48ececdcef0",
                            "lessThan": "8548903b1999bba02a2b894ad750ab8eb1f40307",
                            "status": "affected",
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
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                            "status": "affected"
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                        {
                            "version": "0",
                            "lessThan": "6.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
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                            "version": "6.9.9",
                            "lessThanOrEqual": "6.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.10",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
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                }
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                                    "versionEndExcluding": "6.9.9"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                {
                    "url": "https://git.kernel.org/stable/c/8548903b1999bba02a2b894ad750ab8eb1f40307"
                },
                {
                    "url": "https://git.kernel.org/stable/c/64d2c847ba380e07b9072d65a50aa6469d2aa43f"
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            ],
            "title": "btrfs: zoned: fix calc_available_free_space() for zoned mode",
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                    "dateUpdated": "2024-08-02T04:54:32.610Z"
                },
                "title": "CVE Program Container",
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                    {
                        "url": "https://git.kernel.org/stable/c/8548903b1999bba02a2b894ad750ab8eb1f40307",
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                                        "Exploitation": "none"
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