{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2010-11-29T00:00:00", "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-10T18:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"name": "RHSA-2011:0017", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://www.redhat.com/support/errata/RHSA-2011-0017.html"}, {"name": "46397", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/46397"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=658155"}, {"name": "[oss-security] 20101130 CVE request: xen: x86-64: don't crash Xen upon direct pv guest access", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://openwall.com/lists/oss-security/2010/11/30/5"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"name": "42884", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/42884"}, {"name": "[xen-devel] 20101129 [PATCH] x86-64: don't crash Xen upon direct pv guest access", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html"}, {"name": "[oss-security] 20101130 Re: CVE request: xen: x86-64: don't crash Xen upon direct pv guest access", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://openwall.com/lists/oss-security/2010/11/30/8"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T03:34:37.813Z"}, "title": "CVE Program Container", "references": [{"name": "20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"name": "RHSA-2011:0017", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://www.redhat.com/support/errata/RHSA-2011-0017.html"}, {"name": "46397", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/46397"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=658155"}, {"name": "[oss-security] 20101130 CVE request: xen: x86-64: don't crash Xen upon direct pv guest access", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://openwall.com/lists/oss-security/2010/11/30/5"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"name": "42884", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/42884"}, {"name": "[xen-devel] 20101129 [PATCH] x86-64: don't crash Xen upon direct pv guest access", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html"}, {"name": "[oss-security] 20101130 Re: CVE request: xen: x86-64: don't crash Xen upon direct pv guest access", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://openwall.com/lists/oss-security/2010/11/30/8"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2010-4255", "datePublished": "2011-01-25T00:00:00", "dateReserved": "2010-11-16T00:00:00", "dateUpdated": "2024-08-07T03:34:37.813Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:citrix:xen:*:*:*:*:*:*:*:*", "matchCriteriaId": "DDD35CC3-597F-4518-9E10-C320C4B11B73", "versionEndIncluding": "4.0.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "D97BF124-C4F1-452D-B5B4-0EBDB01E0DED", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "6C9A466D-2E51-4662-8E85-8F5FA7B94A04", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "3C42C6DE-F11E-454E-AA0A-7466E74A904A", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "819A8279-F973-48B3-9F6A-774CEAD10922", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "DFAB978D-9364-4DB4-872B-CD52FA271F40", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.1.4:*:*:*:*:*:*:*", "matchCriteriaId": "296411C1-F3EB-4D2E-9F95-3F6BA9FE4C7D", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "25EAB8E4-99D5-4970-AAAD-1762F0A2CD02", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "F7CB6DD9-1E32-4242-9DAB-082F03769723", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "9E65CBEF-76BD-4FCC-8094-15B93E98515F", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "C258D5F5-970D-42E8-BE0F-AAC993AE2819", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "29D50CDE-9F80-4C2E-A1F4-530B6C2D8E6B", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "55C9A065-28F1-4C60-86B6-DBB33ABEAE80", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.3.2:*:*:*:*:*:*:*", "matchCriteriaId": "02C8B74D-535D-48FF-8982-BCC28CB7EF7C", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "D0BD93F4-FF44-46BD-B9BA-0A13A210B238", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "50786C9D-CBE1-4CA7-A159-2DACEA9FC739", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "D8BA4D2F-47C9-4127-92B3-21F91C73FCC4", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:3.4.3:*:*:*:*:*:*:*", "matchCriteriaId": "905310D3-4E25-4C03-9D9A-6658FC307632", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xen:4.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "FCB3C3E5-3A28-4CC6-806F-8B47CD4C9FC4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2010-4255", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-01-25T01:00:01.393", "references": [{"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://openwall.com/lists/oss-security/2010/11/30/5"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://openwall.com/lists/oss-security/2010/11/30/8"}, {"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", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=658155"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://openwall.com/lists/oss-security/2010/11/30/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://openwall.com/lists/oss-security/2010/11/30/8"}, {"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", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=658155"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:0017", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-238.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-01-13T00:00:00Z"}], "bugzilla": {"description": "xen: 64-bit PV xen guest can crash host by accessing hypervisor per-domain memory area", "id": "658155", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=658155"}, "csaw": false, "cvss": {"cvss_base_score": "6.1", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["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."], "name": "CVE-2010-4255", "public_date": "2010-11-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4255\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4255"], "threat_severity": "Moderate"}

{}