CVE-2012-3494 in XenServer

Resumen (Inglés)

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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Reservar

2012-06-14

Divulgación

2012-11-23

Estado

Confirmado

Voces

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerabilidad	CWE	Exp	Con	CVE
6108	Citrix XenServer set_debugreg escalada de privilegios	264	No está definido	Arreglo oficial	CVE-2012-3494
6106	Citrix Xen set_debugreg escalada de privilegios	264	No está definido	Arreglo oficial	CVE-2012-3494

Fuentes

• MITRE
• NVD
• CVE Details