VULNERABILITY INTELLIGENCE

CVE-2013-4551

CVSS score5.7 MEDIUM
EPSS probability0.80%
CISA KEVNot currently listed
Published2013-11-18
Last modified2026-06-16
CVSS vectorAV:A/AC:M/Au:N/C:N/I:N/A:C

Description

Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to "guest VMX instruction execution."

Weakness classification

  • CWE-20: Improper Input Validation

Primary references