CVE-2010-4255

{"id": "CVE-2010-4255", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.1, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2011-01-25T01:00:01.393", "references": [{"url": "http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://openwall.com/lists/oss-security/2010/11/30/5", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://openwall.com/lists/oss-security/2010/11/30/8", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/42884", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/46397", "source": "secalert@redhat.com"}, {"url": "http://www.redhat.com/support/errata/RHSA-2011-0017.html", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded", "source": "secalert@redhat.com"}, {"url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=658155", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://openwall.com/lists/oss-security/2010/11/30/5", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://openwall.com/lists/oss-security/2010/11/30/8", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/42884", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/46397", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.redhat.com/support/errata/RHSA-2011-0017.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=658155", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access."}, {"lang": "es", "value": "La funci\u00f3n fixup_page_fault en arch/x86/traps.c en Xen v.4.0.1 y anteriores sobre plataformas 64-bit, cuando se activa la paravirtualizaci\u00f3n, no verifica que el modo kernel est\u00e1 usado para llamar a la funci\u00f3n handle_gdt_ldt_mapping_fault, lo que permite a los usuarios invitados del sistema operativo provocar una denegaci\u00f3n de servicio (host OS BUG_ON) a trav\u00e9s de un acceso de memoria manipulado."}], "lastModified": "2024-11-21T01:20:33.230", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:citrix:xen:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DDD35CC3-597F-4518-9E10-C320C4B11B73", "versionEndIncluding": "4.0.1"}, {"criteria": 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