CVE-2011-1936

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-01-07 · updated 2026-06-16

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.

Affected products

xen: all versions

References

http://rhn.redhat.com/errata/RHSA-2011-0927.html
http://www.openwall.com/lists/oss-security/2011/07/07/3
http://rhn.redhat.com/errata/RHSA-2011-0927.html
http://www.openwall.com/lists/oss-security/2011/07/07/3

Get alerted when CVE-2011-1936 or the next vulnerability affects your stack