{"id":"CVE-2011-1936","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-1936","generatedAt":"2026-10-27T19:49:26.533Z","title":"Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not properly handle cpuid instruction emulation when exiting the VM, which allows local guest users to cause a denial of service (guest crash) via unspecified…","description":"Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not properly handle cpuid instruction emulation when exiting the VM, which allows local guest users to cause a denial of service (guest crash) via unspecified vectors.","published":"2014-01-07T19:55:06.000Z","lastModified":"2026-06-16T23:30:26.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.6,"severity":"MEDIUM","vector":"AV:A/AC:H/Au:N/C:N/I:N/A:C"},"cwe":[],"affected":["xen/xen"],"epss":{"score":0.0047,"percentile":0.40421,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.47%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2011-0927.html","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2011/07/07/3","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2011-0927.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2011/07/07/3","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-1936","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}