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Case File

CVE-2012-3494

LOW · CVSS 2.1 EPSS 0.44%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-11-23 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 2.1. It affects Citrix. It may lead to a denial-of-service condition.

CVE
CVE-2012-3494
Severity
LOW
CVSS
2.1
EPSS
0.44%
Citrix

Original NVD Description

The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.