FKIE_CVE-2026-80591
Vulnerability from fkie_nvd - Published: 2026-08-28 08:16 - Updated: 2026-08-29 07:16
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix listxattr handling of corrupted xattr entries
Validate the xattr entry before reading its fields in f2fs_listxattr().
Return -EFSCORRUPTED when the entry is outside the valid xattr storage
area instead of returning a successful partial result.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/f2fs/xattr.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "7dfac47e4189692f35230f3064acf2540e6d75fe",
"status": "affected",
"version": "688078e7f36c293dae25b338ddc9e0a2790f6e06",
"versionType": "git"
},
{
"lessThan": "c8a10f174316e80d577e6549099b71a7a2111f3f",
"status": "affected",
"version": "688078e7f36c293dae25b338ddc9e0a2790f6e06",
"versionType": "git"
},
{
"lessThan": "dfa4891c27bccbd83d511a065721e85621f275a1",
"status": "affected",
"version": "688078e7f36c293dae25b338ddc9e0a2790f6e06",
"versionType": "git"
},
{
"lessThan": "2770041f34b52334ea63351ffb1cc2007a9de46e",
"status": "affected",
"version": "688078e7f36c293dae25b338ddc9e0a2790f6e06",
"versionType": "git"
},
{
"lessThan": "7dd01f7d0291583e3e5420c95c7d584e114899bd",
"status": "affected",
"version": "688078e7f36c293dae25b338ddc9e0a2790f6e06",
"versionType": "git"
},
{
"lessThan": "ec9f79c8d5b28a928e65b67cd138c841571cf502",
"status": "affected",
"version": "688078e7f36c293dae25b338ddc9e0a2790f6e06",
"versionType": "git"
},
{
"lessThan": "3c0dbfecd859fd02fe9008f33a83146102ccd9ba",
"status": "affected",
"version": "688078e7f36c293dae25b338ddc9e0a2790f6e06",
"versionType": "git"
},
{
"lessThan": "5ef5bc304f23c3fe255d4936472378dcb74d0e94",
"status": "affected",
"version": "688078e7f36c293dae25b338ddc9e0a2790f6e06",
"versionType": "git"
},
{
"status": "affected",
"version": "ae811cecbbb231f11a84acaf74baca1283b964c7",
"versionType": "git"
},
{
"status": "affected",
"version": "ed523cbd4a6594edf123dc03ec9d70ea4f793671",
"versionType": "git"
},
{
"status": "affected",
"version": "5811f24abd27a8a0791c6909c6ff803659060c84",
"versionType": "git"
},
{
"lessThan": "4.15",
"status": "affected",
"version": "4.14.181",
"versionType": "semver"
},
{
"lessThan": "4.20",
"status": "affected",
"version": "4.19.119",
"versionType": "semver"
},
{
"lessThan": "5.5",
"status": "affected",
"version": "5.4.36",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/f2fs/xattr.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.5"
},
{
"lessThan": "5.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.261",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.212",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.178",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.145",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.96",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.39",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.5",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2",
"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\nf2fs: fix listxattr handling of corrupted xattr entries\n\nValidate the xattr entry before reading its fields in f2fs_listxattr().\nReturn -EFSCORRUPTED when the entry is outside the valid xattr storage\narea instead of returning a successful partial result."
}
],
"id": "CVE-2026-80591",
"lastModified": "2026-08-29T07:16:44.307",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary"
}
]
},
"published": "2026-08-28T08:16:42.693",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/2770041f34b52334ea63351ffb1cc2007a9de46e"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/3c0dbfecd859fd02fe9008f33a83146102ccd9ba"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5ef5bc304f23c3fe255d4936472378dcb74d0e94"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7dd01f7d0291583e3e5420c95c7d584e114899bd"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7dfac47e4189692f35230f3064acf2540e6d75fe"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/c8a10f174316e80d577e6549099b71a7a2111f3f"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/dfa4891c27bccbd83d511a065721e85621f275a1"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/ec9f79c8d5b28a928e65b67cd138c841571cf502"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Received"
}
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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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