fkie_cve-2012-4538
Vulnerability from fkie_nvd
Published
2012-11-24 20:55
Modified
2025-04-11 00:51
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
{
"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
}
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"negate": false,
"operator": "OR"
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}
],
"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": "2025-04-11T00:51:21.963",
"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": [
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"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html"
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{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html"
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{
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{
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{
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{
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{
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"url": "http://www.securitytracker.com/id?1027762"
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{
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"url": "https://security.gentoo.org/glsa/201604-03"
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],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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