Description

The Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2, and KVM 83, when the Intel VT-x extension is enabled, allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via vectors related to instruction emulation.

References

http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html

http://secunia.com/advisories/42778

http://www.vupen.com/english/advisories/2011/0012

https://bugzilla.redhat.com/show_bug.cgi?id=570528

https://rhn.redhat.com/errata/RHSA-2010-0622.html

https://rhn.redhat.com/errata/RHSA-2010-0627.html

Details

Risk Information

CVSS v2