{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-68422",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-30T09:28:09.392Z",
        "datePublished": "2026-08-10T12:04:42.949Z",
        "dateUpdated": "2026-08-19T16:35:17.540Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-19T16:35:17.540Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()\n\nIf we have an unexpected reloc_root for our root, we jump to the out label\nbut never drop the reference we obtained for root, resulting in a leak.\nAdd a missing btrfs_put_root() call."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/relocation.c"
                    ],
                    "versions": [
                        {
                            "version": "24213fa46c7080c31d79aa2e3e2f0d9480cab700",
                            "lessThan": "f89df93e8aefa4c1c813f835559f2ac727f79766",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "24213fa46c7080c31d79aa2e3e2f0d9480cab700",
                            "lessThan": "3f586b4c92e4272fcd01bf0db0590b63acf3e85b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "24213fa46c7080c31d79aa2e3e2f0d9480cab700",
                            "lessThan": "b3d39b03799600c76c33486e2d29b73a771023db",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "24213fa46c7080c31d79aa2e3e2f0d9480cab700",
                            "lessThan": "72f673d1c1deb819554d3e7e154f6d84301eb735",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "24213fa46c7080c31d79aa2e3e2f0d9480cab700",
                            "lessThan": "60a23d4ea169e27403f3bb023bb98036797c0206",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "24213fa46c7080c31d79aa2e3e2f0d9480cab700",
                            "lessThan": "7591d1727067d6063247901ad25c4bdc4e5695c4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "24213fa46c7080c31d79aa2e3e2f0d9480cab700",
                            "lessThan": "ce6050bafb4e33377dc17fcc357736bfc351180c",
                            "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/relocation.c"
                    ],
                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.42",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "5.13",
                                    "versionEndExcluding": "5.15.216"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.1.183"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.6.148"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.12.101"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.18.42"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "7.1.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f89df93e8aefa4c1c813f835559f2ac727f79766"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3f586b4c92e4272fcd01bf0db0590b63acf3e85b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b3d39b03799600c76c33486e2d29b73a771023db"
                },
                {
                    "url": "https://git.kernel.org/stable/c/72f673d1c1deb819554d3e7e154f6d84301eb735"
                },
                {
                    "url": "https://git.kernel.org/stable/c/60a23d4ea169e27403f3bb023bb98036797c0206"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7591d1727067d6063247901ad25c4bdc4e5695c4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ce6050bafb4e33377dc17fcc357736bfc351180c"
                }
            ],
            "title": "btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}