{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49761",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-03-27T16:39:17.990Z",
        "datePublished": "2025-03-27T16:43:07.633Z",
        "dateUpdated": "2026-05-11T19:06:16.175Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:06:16.175Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: always report error in run_one_delayed_ref()\n\nCurrently we have a btrfs_debug() for run_one_delayed_ref() failure, but\nif end users hit such problem, there will be no chance that\nbtrfs_debug() is enabled.  This can lead to very little useful info for\ndebugging.\n\nThis patch will:\n\n- Add extra info for error reporting\n  Including:\n  * logical bytenr\n  * num_bytes\n  * type\n  * action\n  * ref_mod\n\n- Replace the btrfs_debug() with btrfs_err()\n\n- Move the error reporting into run_one_delayed_ref()\n  This is to avoid use-after-free, the @node can be freed in the caller.\n\nThis error should only be triggered at most once.\n\nAs if run_one_delayed_ref() failed, we trigger the error message, then\ncausing the call chain to error out:\n\nbtrfs_run_delayed_refs()\n`- btrfs_run_delayed_refs()\n   `- btrfs_run_delayed_refs_for_head()\n      `- run_one_delayed_ref()\n\nAnd we will abort the current transaction in btrfs_run_delayed_refs().\nIf we have to run delayed refs for the abort transaction,\nrun_one_delayed_ref() will just cleanup the refs and do nothing, thus no\nnew error messages would be output."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/extent-tree.c"
                    ],
                    "versions": [
                        {
                            "version": "79787eaab46121d4713ed03c8fc63b9ec3eaec76",
                            "lessThan": "18bd1c9c02e64a3567f90c83c2c8b855531c8098",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "79787eaab46121d4713ed03c8fc63b9ec3eaec76",
                            "lessThan": "fdb4a70bb768d2a87890409597529ad81cb3de8a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "79787eaab46121d4713ed03c8fc63b9ec3eaec76",
                            "lessThan": "853ffa1511b058c79a4c9bb1407b3b20ce311792",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "79787eaab46121d4713ed03c8fc63b9ec3eaec76",
                            "lessThan": "39f501d68ec1ed5cd5c66ac6ec2a7131c517bb92",
                            "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/extent-tree.c"
                    ],
                    "versions": [
                        {
                            "version": "3.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.165",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.90",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.8",
                            "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": "3.4",
                                    "versionEndExcluding": "5.10.165"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "5.15.90"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "6.1.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.4",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/18bd1c9c02e64a3567f90c83c2c8b855531c8098"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fdb4a70bb768d2a87890409597529ad81cb3de8a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/853ffa1511b058c79a4c9bb1407b3b20ce311792"
                },
                {
                    "url": "https://git.kernel.org/stable/c/39f501d68ec1ed5cd5c66ac6ec2a7131c517bb92"
                }
            ],
            "title": "btrfs: always report error in run_one_delayed_ref()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.8,
                            "attackVector": "LOCAL",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-49761",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-03-28T15:20:30.780085Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-416",
                                "description": "CWE-416 Use After Free"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-03-28T15:21:57.235Z"
                }
            }
        ]
    }
}