FKIE_CVE-2012-4538
Vulnerability from fkie_nvd - Published: 2012-11-24 20:55 - Updated: 2026-06-16 23:45
Severity
Summary
The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "550223A9-B9F1-440A-8C25-9F0F76AF7301",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "0D532B60-C8DD-4A2F-9D05-E574D23EB754",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*",
"matchCriteriaId": "8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors."
},
{
"lang": "es",
"value": "La llamada HVMOP_pagetable_dying en Xen v4.0, v4.1, y v4.2 no comprueba correctamente el estado \"pagetable\" cuando se ejecuta en \"shadow pagetables\", lo que permite a un sistema operativo HVM de invitado causar una denegaci\u00f3n de servicio (ca\u00edda del hipervisor) a trav\u00e9s de vectores no especificados."
}
],
"id": "CVE-2012-4538",
"lastModified": "2026-06-16T23:45:17.257",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-11-24T20:55:03.603",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html"
},
{
"source": "secalert@redhat.com",
"url": "http://osvdb.org/87306"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/51200"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/51324"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/51352"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/51413"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/51468"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/55082"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2012/dsa-2582"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2012/11/13/3"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/56498"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securitytracker.com/id?1027762"
},
{
"source": "secalert@redhat.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80025"
},
{
"source": "secalert@redhat.com",
"url": "https://security.gentoo.org/glsa/201604-03"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://osvdb.org/87306"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51200"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51324"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51352"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51413"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51468"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/55082"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2012/dsa-2582"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/11/13/3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/56498"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1027762"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80025"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/201604-03"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
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- 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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