Improper input validation in Xen

CVE-2012-4538

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.

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

EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.

Affected products

  • Xen — versions 4.0.0, 4.1.0, 4.2.0
  • N/a — versions n/a

Weakness classification (CWE)

References