{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49914",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.250Z",
        "datePublished": "2025-05-01T14:10:55.581Z",
        "dateUpdated": "2026-05-11T19:09:09.294Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:09:09.294Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix inode list leak during backref walking at resolve_indirect_refs()\n\nDuring backref walking, at resolve_indirect_refs(), if we get an error\nwe jump to the 'out' label and call ulist_free() on the 'parents' ulist,\nwhich frees all the elements in the ulist - however that does not free\nany inode lists that may be attached to elements, through the 'aux' field\nof a ulist node, so we end up leaking lists if we have any attached to\nthe unodes.\n\nFix this by calling free_leaf_list() instead of ulist_free() when we exit\nfrom resolve_indirect_refs(). The static function free_leaf_list() is\nmoved up for this to be possible and it's slightly simplified by removing\nunnecessary code."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/backref.c"
                    ],
                    "versions": [
                        {
                            "version": "3301958b7c1dae8f0f5ded63aa881e0b71e78464",
                            "lessThan": "b1dc9019bb5f89abae85645de1a2dd4830c1f8e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3301958b7c1dae8f0f5ded63aa881e0b71e78464",
                            "lessThan": "cded2c89774b99b67c98147ae103ea878c92a206",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3301958b7c1dae8f0f5ded63aa881e0b71e78464",
                            "lessThan": "2c0329406bb28109c07c6e23e5e3e0fa618a95d7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3301958b7c1dae8f0f5ded63aa881e0b71e78464",
                            "lessThan": "a52e24c7fcc3c5ce3588a14e3663c00868d36623",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3301958b7c1dae8f0f5ded63aa881e0b71e78464",
                            "lessThan": "6ba3479f9e96b9ad460c7e77abc26dd16e5dec4f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3301958b7c1dae8f0f5ded63aa881e0b71e78464",
                            "lessThan": "396515db923ad5cbeb179d6b88927870b4cbebb7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3301958b7c1dae8f0f5ded63aa881e0b71e78464",
                            "lessThan": "5614dc3a47e3310fbc77ea3b67eaadd1c6417bf1",
                            "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/backref.c"
                    ],
                    "versions": [
                        {
                            "version": "3.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.299",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.265",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.224",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.154",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.78",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.8",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "3.5",
                                    "versionEndExcluding": "4.14.299"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.5",
                                    "versionEndExcluding": "4.19.265"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.5",
                                    "versionEndExcluding": "5.4.224"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.5",
                                    "versionEndExcluding": "5.10.154"
                                },
                                {
                                    "vulnerable": true,
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                                    "versionStartIncluding": "3.5",
                                    "versionEndExcluding": "5.15.78"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.5",
                                    "versionEndExcluding": "6.0.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.5",
                                    "versionEndExcluding": "6.1"
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b1dc9019bb5f89abae85645de1a2dd4830c1f8e9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cded2c89774b99b67c98147ae103ea878c92a206"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2c0329406bb28109c07c6e23e5e3e0fa618a95d7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a52e24c7fcc3c5ce3588a14e3663c00868d36623"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6ba3479f9e96b9ad460c7e77abc26dd16e5dec4f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/396515db923ad5cbeb179d6b88927870b4cbebb7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5614dc3a47e3310fbc77ea3b67eaadd1c6417bf1"
                }
            ],
            "title": "btrfs: fix inode list leak during backref walking at resolve_indirect_refs()",
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}