{"id":"CVE-2011-1936","aliases":["EUVD-2011-1934","GHSA-36h3-x748-qfw8","RHSA-2011:0927"],"status":"published","title":"Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not...","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.","severity":{"version":"2.0","score":4.6,"vector":"AV:A/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0047,"percentile":0.40911,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2014-01-07T19:00:00Z","modified":"2026-06-16T23:30:25Z","affected":[{"source":"osv","ecosystem":"Red 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