CVE-2016-7422: Opensuse Leap

Medium severity, CVSS 6.0. EPSS: 0.4% chance of exploitation in the next 30 days.

The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.

Affected products

• Opensuse Leap: version 42.2 only
• Qemu Qemu: up to and including 2.7.1
• Red Hat Openstack: version 6.0 only; version 7.0 only; version 8 only; version 9 only; version 10 only; version 11 only
• Red Hat Virtualization: version 4.0 only

Published 2016-12-10. Last modified 2026-06-17.