what you don't know can hurt you

Red Hat Security Advisory 2021-3481-01

Red Hat Security Advisory 2021-3481-01
Posted Sep 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3481-01 - Neutron is a virtual network service for Openstack, and a part of Netstack. Just like OpenStack Nova provides an API to dynamically request and configure virtual servers, Neutron provides an API to dynamically request and configure virtual networks. These networks connect "interfaces" from other OpenStack services. The Neutron API supports extensions to provide advanced network capabilities.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-40085
MD5 | 7091c938f5b145829f7ad6c9d918adbd

Red Hat Security Advisory 2021-3481-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis: Important: Red Hat OpenStack Platform 16.1 (openstack-neutron) security update
Advisory ID: RHSA-2021:3481-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3481
Issue date: 2021-09-09
CVE Names: CVE-2021-40085
=====================================================================

1. Summary:

An update for openstack-neutron is now available for Red Hat OpenStack
Platform 16.1 (Train).

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:

Red Hat OpenStack Platform 16.1 - noarch

3. Description:

Neutron is a virtual network service for Openstack, and a part of Netstack.
Just like OpenStack Nova provides an API to dynamically request and
configure virtual servers, Neutron provides an API to dynamically request
and configure virtual networks. These networks connect "interfaces" from
other OpenStack services (e.g., virtual NICs from Nova VMs). The Neutron
API supports extensions to provide advanced network capabilities (e.g.,
QoS, ACLs, network, monitoring, etc.)

Security Fix(es):

* arbitrary dnsmasq reconfiguration via extra_dhcp_opts (CVE-2021-40085)

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.

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/):

1998052 - CVE-2021-40085 openstack-neutron: arbitrary dnsmasq reconfiguration via extra_dhcp_opts

6. Package List:

Red Hat OpenStack Platform 16.1:

Source:
openstack-neutron-15.2.1-1.20210409073447.el8ost.src.rpm

noarch:
openstack-neutron-15.2.1-1.20210409073447.el8ost.noarch.rpm
openstack-neutron-common-15.2.1-1.20210409073447.el8ost.noarch.rpm
openstack-neutron-linuxbridge-15.2.1-1.20210409073447.el8ost.noarch.rpm
openstack-neutron-macvtap-agent-15.2.1-1.20210409073447.el8ost.noarch.rpm
openstack-neutron-metering-agent-15.2.1-1.20210409073447.el8ost.noarch.rpm
openstack-neutron-ml2-15.2.1-1.20210409073447.el8ost.noarch.rpm
openstack-neutron-openvswitch-15.2.1-1.20210409073447.el8ost.noarch.rpm
openstack-neutron-rpc-server-15.2.1-1.20210409073447.el8ost.noarch.rpm
openstack-neutron-sriov-nic-agent-15.2.1-1.20210409073447.el8ost.noarch.rpm
python3-neutron-15.2.1-1.20210409073447.el8ost.noarch.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-2021-40085
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 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=Du3o
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

September 2021

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Sep 1st
    14 Files
  • 2
    Sep 2nd
    19 Files
  • 3
    Sep 3rd
    9 Files
  • 4
    Sep 4th
    1 Files
  • 5
    Sep 5th
    2 Files
  • 6
    Sep 6th
    3 Files
  • 7
    Sep 7th
    12 Files
  • 8
    Sep 8th
    22 Files
  • 9
    Sep 9th
    17 Files
  • 10
    Sep 10th
    19 Files
  • 11
    Sep 11th
    3 Files
  • 12
    Sep 12th
    2 Files
  • 13
    Sep 13th
    15 Files
  • 14
    Sep 14th
    16 Files
  • 15
    Sep 15th
    15 Files
  • 16
    Sep 16th
    7 Files
  • 17
    Sep 17th
    13 Files
  • 18
    Sep 18th
    2 Files
  • 19
    Sep 19th
    2 Files
  • 20
    Sep 20th
    14 Files
  • 21
    Sep 21st
    20 Files
  • 22
    Sep 22nd
    28 Files
  • 23
    Sep 23rd
    13 Files
  • 24
    Sep 24th
    10 Files
  • 25
    Sep 25th
    0 Files
  • 26
    Sep 26th
    0 Files
  • 27
    Sep 27th
    0 Files
  • 28
    Sep 28th
    0 Files
  • 29
    Sep 29th
    0 Files
  • 30
    Sep 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close