(RHSA-2020:2295) Important: openvswitch2.13 security, bug fix and enhancement update

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

Security Fix(es):

• dpdk: librte_vhost Malicious guest could cause segfault by sending invalid Virtio descriptor (CVE-2020-10725)

• dpdk: librte_vhost Interger overflow in vhost_user_set_log_base() (CVE-2020-10722)

• dpdk: librte_vhost Integer truncation in vhost_user_check_and_alloc_queue_pair() (CVE-2020-10723)

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

• dpdk: librte_vhost VHOST_USER_GET_INFLIGHT_FD message flooding to result in a DoS (CVE-2020-10726)

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):

• DPDK virtio_user lack of notifications make vhost_net+napi stops tx buffers (BZ#1803082)

• Update internal DPDK to 19.11.1 (BZ#1824825)