RHSA-2019:0935 - Security Advisory

Topic

An update for openstack-neutron is now available for Red Hat OpenStack Platform 13.0 (Queens).

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

OpenStack Networking (neutron) is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines.

Security Fix(es):

• openstack-neutron: incorrect validation of port settings in iptables security group driver (CVE-2019-9735)
• openstack-neutron: DOS via broken port range merging in security group (CVE-2019-10876)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenStack for IBM Power 13 ppc64le
• Red Hat OpenStack 13 x86_64

Fixes

• BZ - 1610468 - floating ip not reachable on vlan with two different networks and multiple VMs
• BZ - 1629465 - Prevent SR-IOV / direct port from being attached to neutron router (DVR or not)
• BZ - 1630167 - [FFWD] Tempest test_dualnet_dhcp6_stateless_from_os failed
• BZ - 1643135 - OSP 13 - OVS/ml2 - ipv6 forwarding is broken in HA neutron routers due to incorrect ipv6 kernel forwarding parameters
• BZ - 1651936 - [RHOSP 13][DVR] Neutron doesn't configure multiple external subnets for one network properly
• BZ - 1654840 - Routers hosted on one of two networker nodes unable to access external network
• BZ - 1685893 - DHCP Agent should not release DHCP lease when client ID is not set on port
• BZ - 1690745 - CVE-2019-9735 openstack-neutron: incorrect validation of port settings in iptables security group driver
• BZ - 1695451 - CVE-2019-10876 openstack-neutron: DOS via broken port range merging in security group [openstack-13-default]
• BZ - 1695883 - CVE-2019-10876 openstack-neutron: DOS via broken port range merging in security group
• BZ - 1696792 - Rebase openstack-neutron to 8b744646264a1fda50f13739a4476cdf32172d0f

CVEs

• CVE-2019-9735
• CVE-2019-10876

References

• https://access.redhat.com/security/updates/classification/#important