CVE-2016-8669: Debian Linux

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

The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base.

Affected products

• Debian Debian Linux: version 8.0 only
• 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 2016-11-04. Last modified 2026-06-17.