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Red Hat OpenStack Platform 16.1 RHSA-2021-3481-01 Important dnsmasq Threat

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,. -----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 onhow 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 . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBYToUj9zjgjWX9erEAQhYzg//Yg8EJnHtr8kCC/z+3I7w+SZPuFOY1JoD uFsmfq7IEwhWBA5E2DN3ZlY/f7gwscdJDGULpwxbA5C7qnnDXA8SUhVXfiq9MF7v sQ896BiGCHPSOoOoiIJllZ91fbhVeUnam7LMLZC3DM6v8FSn++RgT0/g/tnSMFYp 2iZBk3EuNHZ9O2K7S63MNAQIDK1PWmjJMTbdccnFzUfUQQRffyvFEDcMqZ+sQBKC dWq8c8U0qusYT6QLMrN26ueLX57ovpGE4B807zkuttPs4w7QrdWDhlrmaBjlx+lM +ElNTxrXWeLxznYZ/rweUIo9X3Xp6FyKMtxWSLQt2v+utdPkibZlI7Jaf1XPcpBg ae521dCGvFeQAsXZTxJtDhD21Ob7l1Yiju5JSe9WvSg7VWTydIE4TH33I1+9AoGN gwdyfPzJsMJXmBk6Rc2Kvx6KVFhrsW5gxQ4FiAMqOAWCuw3JvExG5iz/dZn7sS8Z xbxa8tLOGhMPz5OCGEw8ig5T4PvstPPkYQDUZpxMTtA5kLPoEABEwxNF/NFWQZFO aHlkwkQCwW4aEW3trPKXFTjYi6nBs1DFTdhOnmtoUA4BRHRT5SiYk0WcOaEbPu3t aidIJudRaNmkP0m2dCBElGaKvq5UPoNWA3WGIJgVFGc8bRMfilLpGXTzLqCNsg9N Mwmfnnk2aps=Du3o -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . The latest update for Red Hat OpenStack Platform 16.1 addresses a crucial security vulnerability in openstack-neutron, introducing a patch for dnsmasq.. Red Hat OpenStack, network protection, openstack-neutron security. . Severity: Important. LinuxSecurity.com Team

Sep 09, 2021 •Important Red Hat