CVE-2016-1570

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servicio, obtener privilegios o tener otro impacto no especificado a trav\u00e9s de un identificador de p\u00e1gina manipulado (MFN) en el (1) MMUEXT_MARK_SUPER o (2) MMUEXT_UNMARK_SUPER sub-op en la hiperllamada HYPERVISOR_mmuext_op o (3) vectores desconocidos relacionados con actualizaciones de la tabla de p\u00e1gina."}], "id": "CVE-2016-1570", "lastModified": "2026-06-17T00:42:11.210", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-01-22T15:59:05.913", "references": [{"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3519"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1034744"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-167.html"}, {"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/1034744"}, {"source": 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{"acknowledgement": "Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges 360 Marvel Team as the original reporter.", "bugzilla": {"description": "xen: PV superpage functionality missing sanity checks", "id": "1296539", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1296539"}, "csaw": false, "cvss": {"cvss_base_score": "6.0", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "status": "draft"}, "details": ["The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates."], "name": "CVE-2016-1570", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-01-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-1570\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-1570"], "threat_severity": "Important"}

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