CVE-2011-1936

Xen - Denial of Service via cpuid Instruction Emulation

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2011-0927.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2011/07/07/3

Scores

EPSS 0.0008
EPSS Percentile 24.2%

Details

Status published
Products (1)
xen/xen
Published Jan 07, 2014
Tracked Since Feb 18, 2026