CVE-2012-3494

2012-11-23T20:55:00
ID CVE-2012-3494
Type cve
Reporter cve@mitre.org
Modified 2017-08-29T01:31:00

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.