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vuln-cve/data/2022/49xxx/CVE-2022-49914.json
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{
"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"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.5",
"versionEndExcluding": "5.10.154"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"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"
}
]
}
]
}
],
"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()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}