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Red Hat Security Advisory 2020-2295-01

Red Hat Security Advisory 2020-2295-01
Posted May 26, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2295-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, remote, denial of service, overflow, vulnerability, protocol
systems | linux, redhat
advisories | CVE-2020-10722, CVE-2020-10723, CVE-2020-10724, CVE-2020-10725, CVE-2020-10726
MD5 | 3833a7bec9b95f38885612d757a4d717

Red Hat Security Advisory 2020-2295-01

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====================================================================
Red Hat Security Advisory

Synopsis: Important: openvswitch2.13 security, bug fix and enhancement update
Advisory ID: RHSA-2020:2295-01
Product: Fast Datapath
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2295
Issue date: 2020-05-26
CVE Names: CVE-2020-10722 CVE-2020-10723 CVE-2020-10724
CVE-2020-10725 CVE-2020-10726
====================================================================
1. Summary:

An update for openvswitch2.13 is now available for Fast Datapath for Red
Hat Enterprise Linux 8.

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.

2. Relevant releases/architectures:

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

3. 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: 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)

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1803082 - DPDK virtio_user lack of notifications make vhost_net+napi stops tx buffers
1824825 - 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

6. 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
python3-openvswitch2.13-2.13.0-25.el8fdp.1.x86_64.rpm
python3-openvswitch2.13-debuginfo-2.13.0-25.el8fdp.1.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. 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

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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