{ "id": "CVE-2015-2150", "sourceIdentifier": "cve@mitre.org", "published": "2015-03-12T14:59:02.633", "lastModified": "2018-10-30T16:26:53.700", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response." }, { "lang": "es", "value": "Xen 3.3.x hasta la versi\u00f3n 4.5.x y en el kernel de Linux hasta la versi\u00f3n 3.19.1 no restringe adecuadamente el acceso al registro de comandos PCI, lo que podr\u00eda permitir a usuarios locales del SO invitados provocar una denegaci\u00f3n de servicio (interrupci\u00f3n no enmascarable y ca\u00edda del host) deshabilitando (1) la memoria o (2) la descodificaci\u00f3n I/O para un dispositivo PCI Express posteriormente accediendo al dispositivo, lo que desencadena una respuesta Unsupported Request (UR)." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-264" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": 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"http://www.securitytracker.com/id/1031806", "source": "cve@mitre.org" }, { "url": "http://www.securitytracker.com/id/1031902", "source": "cve@mitre.org" }, { "url": "http://www.ubuntu.com/usn/USN-2631-1", "source": "cve@mitre.org" }, { "url": "http://www.ubuntu.com/usn/USN-2632-1", "source": "cve@mitre.org" }, { "url": "http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm", "source": "cve@mitre.org" }, { "url": "http://xenbits.xen.org/xsa/advisory-120.html", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1196266", "source": "cve@mitre.org" }, { "url": "https://github.com/torvalds/linux/commit/af6fc858a35b90e89ea7a7ee58e66628c55c776b", "source": "cve@mitre.org" }, { "url": "https://seclists.org/bugtraq/2019/Aug/18", "source": "cve@mitre.org" } ] }