{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50300",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T14:18:36.812Z",
        "datePublished": "2025-09-15T14:45:55.896Z",
        "dateUpdated": "2026-05-11T19:16:38.952Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:16:38.952Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix extent map use-after-free when handling missing device in read_one_chunk\n\nStore the error code before freeing the extent_map. Though it's\nreference counted structure, in that function it's the first and last\nallocation so this would lead to a potential use-after-free.\n\nThe error can happen eg. when chunk is stored on a missing device and\nthe degraded mount option is missing.\n\nBugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=216721"
                }
            ],
            "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": "adfb69af7d8cb6a3958f75aad1ef4bc96891d116",
                            "lessThan": "b8e7ed42bc3ca0d0e4191ee394d34962d3624c22",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "adfb69af7d8cb6a3958f75aad1ef4bc96891d116",
                            "lessThan": "fce3713197ebba239e1c7e02174ed216ea1ee014",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "adfb69af7d8cb6a3958f75aad1ef4bc96891d116",
                            "lessThan": "169a4cf46882974d4db6d85eb623ec898e51bbc0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "adfb69af7d8cb6a3958f75aad1ef4bc96891d116",
                            "lessThan": "1742e1c90c3da344f3bb9b1f1309b3f47482756a",
                            "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": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.87",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.18",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.4",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "4.15",
                                    "versionEndExcluding": "5.15.87"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.0.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.1.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b8e7ed42bc3ca0d0e4191ee394d34962d3624c22"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fce3713197ebba239e1c7e02174ed216ea1ee014"
                },
                {
                    "url": "https://git.kernel.org/stable/c/169a4cf46882974d4db6d85eb623ec898e51bbc0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1742e1c90c3da344f3bb9b1f1309b3f47482756a"
                }
            ],
            "title": "btrfs: fix extent map use-after-free when handling missing device in read_one_chunk",
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                "engine": "bippy-1.2.0"
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        }
    }
}