CVE-2012-3495

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hypercall physdev_get_free_pirq vulnerability", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2012/09/05/6"}, {"name": "SUSE-SU-2012:1133", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html"}, {"name": "openSUSE-SU-2012:1573", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"}, {"name": "openSUSE-SU-2012:1172", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-3495", "datePublished": "2012-11-23T20:00:00.000Z", "dateReserved": "2012-06-14T00:00:00.000Z", "dateUpdated": "2024-08-06T20:05:12.705Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*", "matchCriteriaId": "24FCA867-7158-459C-9D6C-75A39263F00A", "versionEndIncluding": "6.0.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "57F938EB-46B0-4D82-98D3-1FCB22C02F8E", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.5:*:*:*:*:*:*:*", "matchCriteriaId": "642BB495-D395-4951-A863-00B52A6BBE83", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.6:*:*:*:*:*:*:*", "matchCriteriaId": "0185CA86-C2BE-4445-A053-0FBDC670ED88", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.6:fp1:*:*:*:*:*:*", "matchCriteriaId": "6444BE32-E02D-49E3-BC2F-DE0593ADAF88", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:5.6:sp2:*:*:*:*:*:*", "matchCriteriaId": "DB215BC8-3376-42B8-98E3-7484715AB93F", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "9C1D10B8-202D-44A4-A872-88D7C11488D1", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "0D532B60-C8DD-4A2F-9D05-E574D23EB754", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "5D83CA8B-8E49-45FA-8FAB-C15052474542", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "27537DF5-7E0F-463F-BA87-46E329EE07AC", "vulnerable": true}, {"criteria": "cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "3EA4F978-9145-4FE6-B4F9-15207E52C40A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The physdev_get_free_pirq hypercall in arch/x86/physdev.c in Xen 4.1.x and Citrix XenServer 6.0.2 and earlier uses the return value of the get_free_pirq function as an array index without checking that the return value indicates an error, which allows guest OS users to cause a denial of service (invalid memory write and host crash) and possibly gain privileges via unspecified vectors."}, {"lang": "es", "value": "La hypercall physdev_get_free_pirq en arch/x86/physdev.c en Xen v4.1.x y Citrix XenServer v6.0.2 y anteriores utiliza el valor devuelto por la funci\u00f3n get_free_pirq como un \u00edndice de la matriz sin comprobar que el valor de retorno indica un error, permitiendo a los hu\u00e9spedes del OS invitado causar una denegaci\u00f3n de servicio (escritura de memoria no v\u00e1lidas y ca\u00edda del host) y, posiblemente, obtener privilegios a trav\u00e9s de vectores no especificados."}], "id": "CVE-2012-3495", "lastModified": "2026-06-16T23:43:20.333", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 8.5, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-11-23T20:55:03.150", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"}, {"source": "secalert@redhat.com", "url": "http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/51413"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/55082"}, {"source": "secalert@redhat.com", "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"source": "secalert@redhat.com", "url": "http://support.citrix.com/article/CTX134708"}, {"source": "secalert@redhat.com", "url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/09/05/6"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/55406"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id?1027480"}, {"source": "secalert@redhat.com", "url": "http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201604-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/51413"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/55082"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://support.citrix.com/article/CTX134708"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/09/05/6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/55406"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1027480"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201604-03"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue. Upstream acknowledges Matthew Daley as the original reporter.", "bugzilla": {"description": "kernel: xen: hypercall physdev_get_free_pirq vulnerability", "id": "851165", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=851165"}, "csaw": false, "cvss": {"cvss_base_score": "5.5", "cvss_scoring_vector": "AV:A/AC:L/Au:S/C:N/I:N/A:C", "status": "draft"}, "details": ["The physdev_get_free_pirq hypercall in arch/x86/physdev.c in Xen 4.1.x and Citrix XenServer 6.0.2 and earlier uses the return value of the get_free_pirq function as an array index without checking that the return value indicates an error, which allows guest OS users to cause a denial of service (invalid memory write and host crash) and possibly gain privileges via unspecified vectors."], "name": "CVE-2012-3495", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel-xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2012-09-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-3495\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-3495"], "statement": "Not vulnerable.\nThis issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.\nThis issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.", "threat_severity": "Moderate"}

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