CVE-2010-2784 Information

Description

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83 does not properly select the index for access to the callback array which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.

Reference

http://www.spinics.net/lists/kvm/msg39173.html https://bugzilla.redhat.com/show_bug.cgi?id=619411 https://rhn.redhat.com/errata/RHSA-2010-0622.html https://rhn.redhat.com/errata/RHSA-2010-0627.html