CVE-2014-4021 (GCVE-0-2014-4021)
Vulnerability from cvelistv5 – Published: 2014-06-18 19:00 – Updated: 2024-08-06 11:04
VLAI
EPSS
VEX
Summary
Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
16 references
Date Public
2014-06-17 00:00
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2014-4021\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2014-06-18T19:55:04.920\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors.\"},{\"lang\":\"es\",\"value\":\"Xen 3.2.x hasta 4.4.x no limpia debidamente las p\u00e1ginas de memoria recuperadas de invitados, lo que permite a usuarios locales del sistema operativo invitado obtener informaci\u00f3n sensible a trav\u00e9s de vectores no 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:31:34+00:00",
"cve": "CVE-2014-4021",
"id": "CVE-2014-4021",
"initial_release_date": "2014-06-17T00:00:00+00:00",
"product_status:fixed": "122",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "xen: Hypervisor heap contents leaked to guests (xsa-100)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-4021.json",
"version": "3"
}
}
}
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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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