CVE-2014-8594

{"id": "CVE-2014-8594", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "HIGH", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 4.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2014-11-19T18:59:10.533", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/62672", "tags": ["Permissions Required"], "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2015/dsa-3140", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/71149", "source": "cve@mitre.org"}, {"url": "http://xenbits.xen.org/xsa/advisory-109.html", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98767", "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201504-04", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/62672", "tags": ["Permissions Required"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2015/dsa-3140", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/71149", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://xenbits.xen.org/xsa/advisory-109.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98767", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201504-04", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP)."}, {"lang": "es", "value": "La funci\u00f3n do_mmu_update en arch/x86/mm.c en Xen 4.x hasta la versi\u00f3n 4.4.x no restringe adecuadamente las actualizaciones a las tablas de p\u00e1gina s\u00f3lo para PV, lo que permite a invitados PV remotos provocar una denegaci\u00f3n de servicio (referencia a puntero NULL) aprovechando los servicios de emulaci\u00f3n de hardware para invitados HVM que utilizan Hardware Assisted Paging (HAP)."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F"}, {"criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "550223A9-B9F1-440A-8C25-9F0F76AF7301"}, {"criteria": "cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC734D58-96E5-4DD2-8781-F8E0ADB96462"}, {"criteria": "cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62CEC1BF-1922-410D-BCBA-C58199F574C7"}, {"criteria": "cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "923F2C2B-4A65-4823-B511-D0FEB7C7FAB2"}, {"criteria": "cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1A24DED-B2EC-4D9C-9FA4-DD37EF3E3BFC"}, {"criteria": 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