CVE-2017-5936: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.

Affected products

• Canonical Ubuntu Linux: version 16.04 only
• Openstack Nova-Lxd: up to and including 13.1.0

Published 2017-04-12. Last modified 2026-06-17.