CVE-2020-14394: Fedoraproject Extra Packages For Enterprise Linux

Low severity, CVSS 3.2. EPSS: 0.4% chance of exploitation in the next 30 days.

An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.

Affected products

• Fedoraproject Extra Packages For Enterprise Linux: version 7.0 only
• Fedoraproject Fedora: version 33 only; version 37 only
• Qemu Qemu: version 6.1.50 only
• Red Hat Enterprise Linux: version 5.0 only; version 6.0 only; version 7.0 only; version 8.0 only; version 9.0 only
• Red Hat Openstack Platform: version 10.0 only; version 13.0 only

Published 2022-08-17. Last modified 2026-06-17.