FKIE_CVE-2022-49362
Vulnerability from fkie_nvd - Published: 2025-02-26 07:01 - Updated: 2026-06-17 05:17
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
NFSD: Fix potential use-after-free in nfsd_file_put()
nfsd_file_put_noref() can free @nf, so don't dereference @nf
immediately upon return from nfsd_file_put_noref().
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | 5.19 |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/nfsd/filecache.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "ada1757b259f353cade47037ee0a0249b4cddad3",
"status": "affected",
"version": "9862064ca81f9b9da8ebe26c86cf2b10c293ba1a",
"versionType": "git"
},
{
"lessThan": "261eabe19cb28e4a8587a4442d257b543d7c2d57",
"status": "affected",
"version": "a98e5b3d958ac697aafb3d077eb2cca4a731b7ee",
"versionType": "git"
},
{
"lessThan": "333dcc94ebf53f79f3dc0e7a7c16700bc7ff7e57",
"status": "affected",
"version": "999397926ab3f78c7d1235cc4ca6e3c89d2769bf",
"versionType": "git"
},
{
"lessThan": "b6c71c66b0ad8f2b59d9bc08c7a5079b110bec01",
"status": "affected",
"version": "999397926ab3f78c7d1235cc4ca6e3c89d2769bf",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/nfsd/filecache.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.18"
},
{
"lessThan": "5.18",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.18.*",
"status": "unaffected",
"version": "5.18.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "FA6D643C-6D6A-4821-8A8D-B5776B8F0103",
"versionEndExcluding": "5.18.4",
"versionStartIncluding": "5.18",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*",
"matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: Fix potential use-after-free in nfsd_file_put()\n\nnfsd_file_put_noref() can free @nf, so don\u0027t dereference @nf\nimmediately upon return from nfsd_file_put_noref()."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: NFSD: Se corrige el posible use-after-free en nfsd_file_put() nfsd_file_put_noref() puede liberar @nf, por lo que no desreferencia @nf inmediatamente despu\u00e9s del regreso de nfsd_file_put_noref()."
}
],
"id": "CVE-2022-49362",
"lastModified": "2026-06-17T05:17:49.747",
"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2022-49362",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-27T18:16:34.174132Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-02-26T07:01:12.860",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/261eabe19cb28e4a8587a4442d257b543d7c2d57"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/333dcc94ebf53f79f3dc0e7a7c16700bc7ff7e57"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/ada1757b259f353cade47037ee0a0249b4cddad3"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/b6c71c66b0ad8f2b59d9bc08c7a5079b110bec01"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
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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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