RHSA-2020:0166 - Security Advisory

Topic

An update for openvswitch2.11 is now available for Fast Datapath for RHEL 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

Security Fix(es):

• dpdk: possible memory leak leads to denial of service (CVE-2019-14818)

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.

Bug Fix(es):

• [openvswitch] No traffic over GRE IPv6 tunnel - OVS issue (userspace) (BZ#1725623)
• [RHEL 7] [ovsdb-server] Allow replicating from older schema servers (BZ#1766586)
• measure the time needed by ovn-controller to resync to a new SB db (BZ#1776883)
• [ovs2.11] SSL connections drops are constantly logged in ovsdb-server-nb.log (BZ#1780745)

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 Enterprise Linux Fast Datapath 7 x86_64
• Red Hat Enterprise Linux Fast Datapath (for RHEL Server for IBM Power LE) 7 ppc64le
• Red Hat Enterprise Linux Fast Datapath (for IBM z Systems) 7 s390x

Fixes

• BZ - 1737327 - CVE-2019-14818 dpdk: possible memory leak leads to denial of service
• BZ - 1766586 - [RHEL 7] [ovsdb-server] Allow replicating from older schema servers
• BZ - 1776883 - measure the time needed by ovn-controller to resync to a new SB db
• BZ - 1780745 - [ovs2.11] SSL connections drops are constantly logged in ovsdb-server-nb.log

CVEs

• CVE-2019-14818

References

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