Improper input validation in Xen

CVE-2013-4551

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."

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (53.0th percentile) — read the EPSS interpretation.

Affected products

  • Xen — versions 4.2.0, 4.2.1, 4.2.2
  • N/a — versions n/a

Weakness classification (CWE)

References