CVE-2010-2784: Red Hat Enterprise Virtualization

Medium severity, CVSS 6.6. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

  • Red Hat Enterprise Virtualization: version 2.2 only
  • Red Hat Kvm: version 83 only

Published 2010-08-24. Last modified 2026-06-16.