Core Security Technologies Advisory – A vulnerability found in the memory management of the Virtual Machine Monitor makes memory pages mapped above the 2GB available with read or read/write access to user-space programs running in a Guest operating system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/87341/CORE-2009-0803.txt
Source: https://packetstormsecurity.com/files/87341/Core-Security-Technologies-Advisory-2009.0803.html