FKIE_CVE-2022-50845
Vulnerability from fkie_nvd - Published: 2025-12-30 13:15 - Updated: 2026-06-17 05:24
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix inode leak in ext4_xattr_inode_create() on an error path
There is issue as follows when do setxattr with inject fault:
[localhost]# fsck.ext4 -fn /dev/sda
e2fsck 1.46.6-rc1 (12-Sep-2022)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Unattached zero-length inode 15. Clear? no
Unattached inode 15
Connect to /lost+found? no
Pass 5: Checking group summary information
/dev/sda: ********** WARNING: Filesystem still has errors **********
/dev/sda: 15/655360 files (0.0% non-contiguous), 66755/2621440 blocks
This occurs in 'ext4_xattr_inode_create()'. If 'ext4_mark_inode_dirty()'
fails, dropping i_nlink of the inode is needed. Or will lead to inode leak.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/ext4/xattr.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "0f709e08caffb41bbc9b38b9a4c1bd0769794007",
"status": "affected",
"version": "bd3b963b273e247e13979f98812a6e4979b5c1e4",
"versionType": "git"
},
{
"lessThan": "eab94a46560f68d4bcd15222701ced479f84f427",
"status": "affected",
"version": "bd3b963b273e247e13979f98812a6e4979b5c1e4",
"versionType": "git"
},
{
"lessThan": "9ef603086c5b796fde1c7f22a17d0fc826ba54cb",
"status": "affected",
"version": "bd3b963b273e247e13979f98812a6e4979b5c1e4",
"versionType": "git"
},
{
"lessThan": "9882601ee689975c1c0076ee65bf222a2a35e535",
"status": "affected",
"version": "bd3b963b273e247e13979f98812a6e4979b5c1e4",
"versionType": "git"
},
{
"lessThan": "322cf639b0b7f137543072c55545adab782b3a25",
"status": "affected",
"version": "bd3b963b273e247e13979f98812a6e4979b5c1e4",
"versionType": "git"
},
{
"lessThan": "fdaaf45786dc8c17a72901021772520fceb18f8c",
"status": "affected",
"version": "bd3b963b273e247e13979f98812a6e4979b5c1e4",
"versionType": "git"
},
{
"lessThan": "70e5b46beba64706430a87a6d516054225e8ac8a",
"status": "affected",
"version": "bd3b963b273e247e13979f98812a6e4979b5c1e4",
"versionType": "git"
},
{
"lessThan": "e4db04f7d3dbbe16680e0ded27ea2a65b10f766a",
"status": "affected",
"version": "bd3b963b273e247e13979f98812a6e4979b5c1e4",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/ext4/xattr.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.13"
},
{
"lessThan": "4.13",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"version": "4.14.303",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.270",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.229",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.163",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.87",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.0.*",
"status": "unaffected",
"version": "6.0.18",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix inode leak in ext4_xattr_inode_create() on an error path\n\nThere is issue as follows when do setxattr with inject fault:\n\n[localhost]# fsck.ext4 -fn /dev/sda\ne2fsck 1.46.6-rc1 (12-Sep-2022)\nPass 1: Checking inodes, blocks, and sizes\nPass 2: Checking directory structure\nPass 3: Checking directory connectivity\nPass 4: Checking reference counts\nUnattached zero-length inode 15. Clear? no\n\nUnattached inode 15\nConnect to /lost+found? no\n\nPass 5: Checking group summary information\n\n/dev/sda: ********** WARNING: Filesystem still has errors **********\n\n/dev/sda: 15/655360 files (0.0% non-contiguous), 66755/2621440 blocks\n\nThis occurs in \u0027ext4_xattr_inode_create()\u0027. If \u0027ext4_mark_inode_dirty()\u0027\nfails, dropping i_nlink of the inode is needed. Or will lead to inode leak."
}
],
"id": "CVE-2022-50845",
"lastModified": "2026-06-17T05:24:17.157",
"metrics": {},
"published": "2025-12-30T13:15:59.130",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/0f709e08caffb41bbc9b38b9a4c1bd0769794007"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/322cf639b0b7f137543072c55545adab782b3a25"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/70e5b46beba64706430a87a6d516054225e8ac8a"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/9882601ee689975c1c0076ee65bf222a2a35e535"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/9ef603086c5b796fde1c7f22a17d0fc826ba54cb"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/e4db04f7d3dbbe16680e0ded27ea2a65b10f766a"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/eab94a46560f68d4bcd15222701ced479f84f427"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/fdaaf45786dc8c17a72901021772520fceb18f8c"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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