CVE-2016-4037: Canonical Ubuntu Linux

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

The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only; version 16.04 only
• Debian Debian Linux: version 8.0 only
• Fedoraproject Fedora: version 22 only; version 23 only; version 24 only
• Qemu Qemu: up to and including 2.5.1; version 2.6.0 only

Published 2016-05-23. Last modified 2026-06-17.