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RedHat: RHSA-2020-2295-01 Important: Openvswitch DoS Threat Fix

red hat
Calendar Grey May 26, 2020
Dist Redhat Esm H88
A crucial notice for openvswitch version 2.13, aimed at resolving significant security vulnerabilities and defect corrections specifically for users of Red Hat.
An update for openvswitch2.13 is now available for Fast Datapath for Red Hat Enterprise Linux 8

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

Summary

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)

Topics%20covered

Topics Covered

security advisory security issue important red hat enterprise dos threat openvswitch fast datapath

References

https://access.redhat.com/security/cve/CVE-2020-10722 https://access.redhat.com/security/cve/CVE-2020-10723 https://access.redhat.com/security/cve/CVE-2020-10724 https://access.redhat.com/security/cve/CVE-2020-10725 https://access.redhat.com/security/cve/CVE-2020-10726 https://access.redhat.com/security/updates/classification/#important

Package List

Fast Datapath for Red Hat Enterprise Linux 8:
Source: openvswitch2.13-2.13.0-25.el8fdp.1.src.rpm
noarch: openvswitch2.13-test-2.13.0-25.el8fdp.1.noarch.rpm
ppc64le: network-scripts-openvswitch2.13-2.13.0-25.el8fdp.1.ppc64le.rpm openvswitch2.13-2.13.0-25.el8fdp.1.ppc64le.rpm openvswitch2.13-debuginfo-2.13.0-25.el8fdp.1.ppc64le.rpm openvswitch2.13-debugsource-2.13.0-25.el8fdp.1.ppc64le.rpm openvswitch2.13-devel-2.13.0-25.el8fdp.1.ppc64le.rpm python3-openvswitch2.13-2.13.0-25.el8fdp.1.ppc64le.rpm python3-openvswitch2.13-debuginfo-2.13.0-25.el8fdp.1.ppc64le.rpm
s390x: network-scripts-openvswitch2.13-2.13.0-25.el8fdp.1.s390x.rpm openvswitch2.13-2.13.0-25.el8fdp.1.s390x.rpm openvswitch2.13-debuginfo-2.13.0-25.el8fdp.1.s390x.rpm openvswitch2.13-debugsource-2.13.0-25.el8fdp.1.s390x.rpm openvswitch2.13-devel-2.13.0-25.el8fdp.1.s390x.rpm python3-openvswitch2.13-2.13.0-25.el8fdp.1.s390x.rpm python3-openvswitch2.13-debuginfo-2.13.0-25.el8fdp.1.s390x.rpm
x86_64: network-scripts-openvswitch2.13-2.13.0-25.el8fdp.1.x86_64.rpm openvswitch2.13-2.13.0-25.el8fdp.1.x86_64.rpm openvswitch2.13-debuginfo-2.13.0-25.el8fdp.1.x86_64.rpm openvswitch2.13-debugsource-2.13.0-25.el8fdp.1.x86_64.rpm openvswitch2.13-devel-2.13.0-25.el8fdp.1.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2295-01
Product: Fast Datapath
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2295
Issue date: 2020-05-26

Topic

An update for openvswitch2.13 is now available for Fast Datapath for RedHat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue important red hat enterprise dos threat openvswitch fast datapath

Relevant Releases Architectures

Fast Datapath for Red Hat Enterprise Linux 8 - noarch, ppc64le, s390x, x86_64

Bugs Fixed

1803082 - DPDK virtio_user lack of notifications make vhost_net+napi stops tx buffers1824825 - Update internal DPDK to 19.11.1

1828867 - CVE-2020-10722 dpdk: librte_vhost Interger overflow in vhost_user_set_log_base()

1828874 - CVE-2020-10723 dpdk: librte_vhost Integer truncation in vhost_user_check_and_alloc_queue_pair()

1828884 - CVE-2020-10724 dpdk: librte_vhost Missing inputs validation in Vhost-crypto

1828894 - CVE-2020-10725 dpdk: librte_vhost Malicious guest could cause segfault by sending invalid Virtio descriptor

1828898 - CVE-2020-10726 dpdk: librte_vhost VHOST_USER_GET_INFLIGHT_FD message flooding to result in a DoS

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