kernel is vulnerable to privilege escalation. The vulnerability exists as a flaw was found in the Xen PAL emulation on Intel 64 platforms. A guest Hardware-assisted virtual machine (HVM) could read the arbitrary physical memory of the host system, which could make information available to unauthorized users.
osvdb.org/41344
secunia.com/advisories/28146
secunia.com/advisories/28643
www.redhat.com/security/updates/classification/#important
www.redhat.com/support/errata/RHSA-2008-0089.html
www.securityfocus.com/bid/26954
xenbits.xensource.com/ext/ia64/xen-unstable.hg?rev/e6069a715fd7
access.redhat.com/errata/RHSA-2008:0089
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9840