RHSA-2021:0931 - Security Advisory

Topic

An update for openvswitch2.11 and ovn2.11 is now available for Red Hat
OpenStack Platform 13 (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

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

OVN, the Open Virtual Network, is a system to support virtual network
abstraction. OVN complements the existing capabilities of OVS to add native support for virtual network abstractions, such as virtual L2 and L3 overlays and security groups.

Security Fix(es):

• buffer overflow in the lldp_decode function in daemon/protocols/lldp.c

(CVE-2015-8011)

• librte_vhost Integer overflow in vhost_user_set_log_base()

(CVE-2020-10722)

• librte_vhost Integer truncation in

vhost_user_check_and_alloc_queue_pair() (CVE-2020-10723)

• librte_vhost Missing inputs validation in Vhost-crypto (CVE-2020-10724)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page 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
• Red Hat OpenStack Director Deployment Tools 13 x86_64
• Red Hat OpenStack Director Deployment Tools for IBM Power LE 13 ppc64le

Fixes

• BZ - 1828867 - CVE-2020-10722 dpdk: librte_vhost Integer overflow in vhost_user_set_log_base()
• BZ - 1828874 - CVE-2020-10723 dpdk: librte_vhost Integer truncation in vhost_user_check_and_alloc_queue_pair()
• BZ - 1828884 - CVE-2020-10724 dpdk: librte_vhost Missing inputs validation in Vhost-crypto
• BZ - 1896536 - CVE-2015-8011 lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c
• BZ - 1905246 - Include latest FDP release in RHOSP 13z15

CVEs

• CVE-2015-8011
• CVE-2020-10722
• CVE-2020-10723
• CVE-2020-10724

References

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