CVE-2010-2938 Information

Description

arch/x86/hvm/vmx/vmcs.c in the virtual-machine control structure (VMCS) implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 when an Intel platform without Extended Page Tables (EPT) functionality is used accesses VMCS fields without verifying hardware support for these fields which allows local users to cause a denial of service (host OS crash) by requesting a VMCS dump for a fully virtualized Xen guest.

Reference

http://secunia.com/advisories/46397 http://support.avaya.com/css/P8/documents/100113326 http://www.redhat.com/support/errata/RHSA-2010-0723.html http://www.securityfocus.com/archive/1/520102/100/0/threaded http://www.securityfocus.com/bid/43578 http://www.vmware.com/security/advisories/VMSA-2011-0012.html http://xenbits.xensource.com/xen-unstable.hg?rev/15911 https://bugzilla.redhat.com/show_bug.cgi?id=620490