CVE-2016-2271

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*", "matchCriteriaId": "4B6F7CE9-C409-4D88-9A99-B21420633F45", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*", "matchCriteriaId": "B814C381-4991-495A-B530-7543F977B346", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP."}, {"lang": "es", "value": "VMX en Xen 4.6.x y versiones anteriores, cuando utiliza una CPU Intel o Cyrix, permite a usuarios invitados HVM locales provocar una denegaci\u00f3n de servicio (ca\u00edda de invitado) a trav\u00e9s de vectores relacionados con una RIP no can\u00f3nica."}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/476.html\">CWE-476: NULL Pointer Dereference</a>", "id": "CVE-2016-2271", "lastModified": "2026-06-17T00:43:44.097", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-02-19T16:59:01.177", "references": [{"source": "cve@mitre.org", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html"}, {"source": "cve@mitre.org", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html"}, {"source": "cve@mitre.org", "url": "http://support.citrix.com/article/CTX209443"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3519"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1035043"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-170.html"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201604-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://support.citrix.com/article/CTX209443"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3519"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1035043"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-170.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": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "bugzilla": {"description": "xen: guest user mode may crash guest with non-canonical RIP (XSA-170)", "id": "1304628", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1304628"}, "csaw": false, "cvss": {"cvss_base_score": "2.9", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP."], "name": "CVE-2016-2271", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-02-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2271\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2271\nhttp://xenbits.xen.org/xsa/advisory-170.html"], "threat_severity": "Low"}

{}