{"id":"CVE-2012-3495","state":"PUBLISHED","title":"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 ","description":"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.","publishedAt":"2012-11-23T20:00:00.000Z","updatedAt":"2024-08-06T20:05:12.705Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://secunia.com/advisories/55082","http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593","http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html","http://secunia.com/advisories/51413","http://security.gentoo.org/glsa/glsa-201309-24.xml","http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability","http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html","http://www.securityfocus.com/bid/55406","http://www.securitytracker.com/id?1027480","https://security.gentoo.org/glsa/201604-03","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html","http://support.citrix.com/article/CTX134708","http://www.openwall.com/lists/oss-security/2012/09/05/6","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html","http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html","http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:22.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2012/3xxx/CVE-2012-3495.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2012-3495","state":"PUBLISHED","datePublished":"2012-11-23T20:00:00.000Z","dateUpdated":"2024-08-06T20:05:12.705Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2012-06-14T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://secunia.com/advisories/55082","name":"55082","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593","tags":["x_refsource_CONFIRM"]},{"url":"http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html","name":"[Xen-announce] 20120905 Xen Security Advisory 13 (CVE-2012-3495) - hypercall physdev_get_free_pirq vulnerability","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://secunia.com/advisories/51413","name":"51413","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://security.gentoo.org/glsa/glsa-201309-24.xml","name":"GLSA-201309-24","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability","tags":["x_refsource_CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html","name":"openSUSE-SU-2012:1572","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://www.securityfocus.com/bid/55406","name":"55406","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://www.securitytracker.com/id?1027480","name":"1027480","tags":["vdb-entry","x_refsource_SECTRACK"]},{"url":"https://security.gentoo.org/glsa/201604-03","name":"GLSA-201604-03","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html","name":"SUSE-SU-2012:1132","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://support.citrix.com/article/CTX134708","tags":["x_refsource_CONFIRM"]},{"url":"http://www.openwall.com/lists/oss-security/2012/09/05/6","name":"[oss-security] 20120905 Xen Security Advisory 13 (CVE-2012-3495) - hypercall physdev_get_free_pirq vulnerability","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html","name":"SUSE-SU-2012:1133","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html","name":"openSUSE-SU-2012:1573","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html","name":"openSUSE-SU-2012:1172","tags":["vendor-advisory","x_refsource_SUSE"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2017-06-30T16:57:01.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2012-09-05T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"http://secunia.com/advisories/55082","name":"55082","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html","name":"[Xen-announce] 20120905 Xen Security Advisory 13 (CVE-2012-3495) - hypercall physdev_get_free_pirq vulnerability","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://secunia.com/advisories/51413","name":"51413","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://security.gentoo.org/glsa/glsa-201309-24.xml","name":"GLSA-201309-24","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html","name":"openSUSE-SU-2012:1572","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.securityfocus.com/bid/55406","name":"55406","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id?1027480","name":"1027480","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://security.gentoo.org/glsa/201604-03","name":"GLSA-201604-03","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html","name":"SUSE-SU-2012:1132","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://support.citrix.com/article/CTX134708","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/09/05/6","name":"[oss-security] 20120905 Xen Security Advisory 13 (CVE-2012-3495) - hypercall physdev_get_free_pirq vulnerability","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html","name":"SUSE-SU-2012:1133","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html","name":"openSUSE-SU-2012:1573","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html","name":"openSUSE-SU-2012:1172","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T20:05:12.705Z"}}]}}}