{ "id": "CVE-2015-8552", "sourceIdentifier": "cve@mitre.org", "published": "2016-04-13T15:59:06.257", "lastModified": "2024-11-21T02:38:42.987", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to generate a continuous stream of WARN messages and cause a denial of service (disk consumption) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and XEN_PCI_OP_enable_msi operations, aka \"Linux pciback missing sanity checks.\"" }, { "lang": "es", "value": "El controlador backend PCI en Xen, cuando se ejecuta en un sistema x86 y utiliza Linux 3.1.x hasta la versi\u00f3n 4.3.x como dominio de controlador, permite a administradores locales invitados generar un flujo continuo de mensajes WARN y provocar una denegaci\u00f3n de servicio (consumo de disco) aprovechando un sistema con acceso a un dispositivo f\u00edsico PCI capaz de pasar a trav\u00e9s de MSI o MSI-X y operaciones XEN_PCI_OP_enable_msi, tambi\u00e9n conocido como \"Lenux pciback missing sanity checks\"." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 0.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P", "baseScore": 1.7, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "LOW", "exploitabilityScore": 3.1, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:3.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "7568820A-ED66-47DF-A9B0-27A474D6C2C6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:3.1.4:*:*:*:*:*:*:*", "matchCriteriaId": "5D8C046D-BE62-43BA-9F50-B4D383475EA8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:3.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "B81B6EEB-D01E-432D-AEBF-707409741C0A" }, { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:*", "matchCriteriaId": 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"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html", "source": "cve@mitre.org" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html", "source": "cve@mitre.org" }, { "url": "http://www.debian.org/security/2016/dsa-3434", "source": "cve@mitre.org" }, { "url": "http://www.securityfocus.com/bid/79546", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1034480", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://xenbits.xen.org/xsa/advisory-157.html", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://security.gentoo.org/glsa/201604-03", "source": "cve@mitre.org" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.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.securityfocus.com/bid/79546", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1034480", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://xenbits.xen.org/xsa/advisory-157.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://security.gentoo.org/glsa/201604-03", "source": "af854a3a-2127-422b-91ae-364da2661108" } ] }