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Case File

CVE-2012-4538

MEDIUM · CVSS 4.9 EPSS 0.44%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-11-24 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.9. It may lead to a denial-of-service condition.

CVE
CVE-2012-4538
Severity
MEDIUM
CVSS
4.9
EPSS
0.44%

Original NVD Description

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.