USN-4036-1: OpenStack Neutron vulnerability

neutron vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.10 Ubuntu 16.04 LTS Summary A system hardening measure could be bypassed. Software Description neutron - OpenStack Virtual Network Service Details Erik Olof Gunnar Andersson discovered that OpenStack Neutron incorrectly handled certain security group rules in the iptables firewall module. An authenticated attacker could possibly use this issue to block further application of security group rules for other instances. Update instructions The problem can be corrected...