CVE-2011-2511 (GCVE-0-2011-2511)
Vulnerability from cvelistv5 – Published: 2011-08-10 20:00 – Updated: 2024-08-06 23:00
VLAI
EPSS
VEX
Summary
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
15 references
Date Public
2011-06-24 00:00
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"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:libvirt:0.9.1:*:*:*:*:*:*:*",
"matchCriteriaId": "F2F6277D-6732-44BA-91B4-D57877E011BD",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption."
},
{
"lang": "es",
"value": "Desbordamiento de entero en libvirt anterior a v0.9.3 permite a usuarios autenticados remotamente provocar una denegaci\u00f3n de servicio (ca\u00edda libvirtd) y posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de una llamada manipulada VirDomainGetVcpus RPC que provoca corrupci\u00f3n de memoria."
}
],
"id": "CVE-2011-2511",
"lastModified": "2026-06-16T23:31:29.250",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-08-10T20:55:01.547",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://libvirt.org/news.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062515.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062855.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45375"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45441"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45446"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2011/dsa-2280"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "http://www.openwall.com/lists/oss-security/2011/06/28/9"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://www.redhat.com/support/errata/RHSA-2011-1019.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.redhat.com/support/errata/RHSA-2011-1197.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securitytracker.com/id?1025822"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/USN-1180-1"
},
{
"source": "secalert@redhat.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68271"
},
{
"source": "secalert@redhat.com",
"url": "https://hermes.opensuse.org/messages/10027908"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://libvirt.org/news.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062515.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062855.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45375"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45441"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45446"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2011/dsa-2280"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://www.openwall.com/lists/oss-security/2011/06/28/9"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.redhat.com/support/errata/RHSA-2011-1019.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2011-1197.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1025822"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-1180-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68271"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://hermes.opensuse.org/messages/10027908"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-189"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:56:26+00:00",
"cve": "CVE-2011-2511",
"id": "CVE-2011-2511",
"initial_release_date": "2011-06-24T00:00:00+00:00",
"product_status:fixed": "53",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libvirt: integer overflow in VirDomainGetVcpus",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-2511.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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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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