CVE-2013-4361 Information

Description

The fbld instruction emulation in Xen 3.3.x through 4.3.x does not use the correct variable for the source effective address which allows local HVM guests to obtain hypervisor stack information by reading the values used by the instruction.

Reference

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html http://security.gentoo.org/glsa/glsa-201407-03.xml http://www.debian.org/security/2014/dsa-3006 http://www.openwall.com/lists/oss-security/2013/09/30/3