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Red Hat Product Errata RHSA-2017:2449 - Security Advisory
Issued:
2017-08-08
Updated:
2017-08-08

RHSA-2017:2449 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: openstack-neutron security update

Type/Severity

Security Advisory: Important

Topic

An update for openstack-neutron is now available for Red Hat OpenStack Platform 11.0 (Ocata).

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.

Description

OpenStack Networking (neutron) is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines.

Security Fix(es):

  • A race-condition flaw was discovered in openstack-neutron where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources. (CVE-2017-7543)

This issue was discovered by Paul Needle (Red Hat).

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

Affected Products

  • Red Hat OpenStack 11 x86_64

Fixes

  • BZ - 1473792 - CVE-2017-7543 openstack-neutron: iptables not active after update

CVEs

  • CVE-2017-7543

References

  • https://access.redhat.com/security/updates/classification/#important
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat OpenStack 11

    SRPM
    openstack-neutron-10.0.2-1.1.el7ost.src.rpm SHA-256: 30f8822eff78c5ff9d9b87fee3126255ffb3049104a050e4c729436095b8d72b
    x86_64
    openstack-neutron-10.0.2-1.1.el7ost.noarch.rpm SHA-256: bd7f0b83b67b4acd5a6282f577dc8173db1abc2ceccbabac97599a284408d5e7
    openstack-neutron-common-10.0.2-1.1.el7ost.noarch.rpm SHA-256: f8a74f0ac3635c57af6a80b83ee632c22f780ad1ddb37dc2fe18c7f1560b5e3f
    openstack-neutron-linuxbridge-10.0.2-1.1.el7ost.noarch.rpm SHA-256: be6daa9e15f0181f7f737e869b80d9857ac1d5328bd5137f6abd8045cf041d12
    openstack-neutron-macvtap-agent-10.0.2-1.1.el7ost.noarch.rpm SHA-256: b3ba21042e7883d7fdef8efbd9c9dc8559d30a1f35841491d5869d3bacb89d6c
    openstack-neutron-metering-agent-10.0.2-1.1.el7ost.noarch.rpm SHA-256: 720cbddf7fe383f5590ccfa98756585474f63f8068ea311fe621113e6cdecfc4
    openstack-neutron-ml2-10.0.2-1.1.el7ost.noarch.rpm SHA-256: 833448b5f885525f6a054f1fcd640c4d9dc0dbd866825104a862486ecc054b5e
    openstack-neutron-openvswitch-10.0.2-1.1.el7ost.noarch.rpm SHA-256: d1da5d455bdf9ee02ade24b9cfe0cafc9b8556fe7ce027a6fe45afd8a7895edc
    openstack-neutron-rpc-server-10.0.2-1.1.el7ost.noarch.rpm SHA-256: a5b84212ad0654f6891e646f6c75f09e77e75b121db15fec572fce91fb67c039
    openstack-neutron-sriov-nic-agent-10.0.2-1.1.el7ost.noarch.rpm SHA-256: 5e99405577e76ce0771c34e1bafe82e021e05bcf2710c2e9b1095abb6f8036b6
    python-neutron-10.0.2-1.1.el7ost.noarch.rpm SHA-256: 75a310d912ffe9e14ac867764648b2f1925d7a293fc043f94e21b23f4a7c22e3
    python-neutron-tests-10.0.2-1.1.el7ost.noarch.rpm SHA-256: 5ab9a1c33ce4ab41c49d9f8ca23dd7392a971b9053b383ef2be56401cd9021df

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

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