fkie_cve-2015-8550
Vulnerability from fkie_nvd
Published
2016-04-14 14:59
Modified
2024-11-21 02:38
Severity ?
Summary
Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| xen | xen | - | |
| novell | suse_linux_enterprise_real_time_extension | 12 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*",
"matchCriteriaId": "BFA1950D-1D9F-4401-AA86-CF3028EFD286",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12:sp1:*:*:*:*:*:*",
"matchCriteriaId": "5AB3CAA1-C20C-4A86-841E-EC0858164D7D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability."
},
{
"lang": "es",
"value": "Xen, cuando se utiliza en un sistema que proporciona backends PV, permite a administradores locales del SO invitado causar una denegaci\u00f3n de servicio (ca\u00edda de SO anfitri\u00f3n) o la obtenci\u00f3n de privilegios escribiendo en la memoria compartida por el frontend y el backend, tambi\u00e9n conocida como una vulnerabilidad de doble recuperaci\u00f3n."
}
],
"id": "CVE-2015-8550",
"lastModified": "2024-11-21T02:38:42.680",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": true,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 5.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.1,
"impactScore": 8.5,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
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]
},
"published": "2016-04-14T14:59:04.347",
"references": [
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html"
},
{
"source": "cve@mitre.org",
"tags": [
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],
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2016/dsa-3434"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2016/dsa-3471"
},
{
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"url": "http://www.debian.org/security/2016/dsa-3519"
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{
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"url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
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"url": "http://www.securitytracker.com/id/1034479"
},
{
"source": "cve@mitre.org",
"tags": [
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],
"url": "http://xenbits.xen.org/xsa/advisory-155.html"
},
{
"source": "cve@mitre.org",
"url": "https://security.gentoo.org/glsa/201604-03"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"
},
{
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{
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"tags": [
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"url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2016/dsa-3434"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2016/dsa-3471"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2016/dsa-3519"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.securityfocus.com/bid/79592"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id/1034479"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://xenbits.xen.org/xsa/advisory-155.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/201604-03"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-284"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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