CVE-2016-4470 (GCVE-0-2016-4470)
Vulnerability from cvelistv5 – Published: 2016-06-27 10:00 – Updated: 2024-08-06 00:32
VLAI?
Summary
The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
48 references
Date Public ?
2016-06-15 00:00
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"cveId": "CVE-2016-4470",
"datePublished": "2016-06-27T10:00:00.000Z",
"dateReserved": "2016-05-02T00:00:00.000Z",
"dateUpdated": "2024-08-06T00:32:25.328Z",
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"date": "2026-05-21",
"epss": "0.00055",
"percentile": "0.17031"
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"evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/416.html\"\u003eCWE-416: Use After Free\u003c/a\u003e",
"id": "CVE-2016-4470",
"lastModified": "2024-11-21T02:52:17.290",
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2016-4470\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-06-27T10:59:08.720\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n key_reject_and_link en security/keys/key.c en el kernel de Linux hasta la versi\u00f3n 4.6.3 no asegura que cierta estructura de datos est\u00e9 inicializada, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (ca\u00edda del sistema) a trav\u00e9s de vectores involucrando un comando keyctl request2 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Tracking\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}],\"evaluatorComment\":\"\u003ca href=\\\"http://cwe.mitre.org/data/definitions/416.html\\\"\u003eCWE-416: Use After Free\u003c/a\u003e\"}}"
}
}
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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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