{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43393",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:56.007Z",
        "datePublished": "2026-05-08T14:21:37.368Z",
        "dateUpdated": "2026-05-11T22:23:43.050Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:23:43.050Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()\n\nFix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL,\nwe're not freeing the chunk map that we've just looked up."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/volumes.c"
                    ],
                    "versions": [
                        {
                            "version": "0ae653fbec2b9fbc72c65a0c99528990bfb2136d",
                            "lessThan": "0e4aaf5a3212b6a469c2489637c29a8e2a5062a5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0ae653fbec2b9fbc72c65a0c99528990bfb2136d",
                            "lessThan": "7bdf00ed75c477252578068dba19934cd825f20a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0ae653fbec2b9fbc72c65a0c99528990bfb2136d",
                            "lessThan": "4f90c5c2698383984102401b1724b0b67da832ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0ae653fbec2b9fbc72c65a0c99528990bfb2136d",
                            "lessThan": "f15fb3d41543244d1179f423da4a4832a55bc050",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/volumes.c"
                    ],
                    "versions": [
                        {
                            "version": "6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.78",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.19",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.9",
                            "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": "6.12",
                                    "versionEndExcluding": "6.12.78"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12",
                                    "versionEndExcluding": "6.18.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12",
                                    "versionEndExcluding": "6.19.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050"
                }
            ],
            "title": "btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()",
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                "engine": "bippy-1.2.0"
            }
        }
    }
}