Bug 1110139 (CVE-2014-4167) - CVE-2014-4167 openstack-neutron: L3-agent denial of service through IPv6 subnet
Summary: CVE-2014-4167 openstack-neutron: L3-agent denial of service through IPv6 subnet
Alias: CVE-2014-4167
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1110142 1110143 1110201 1110203 1110213 1110217 1114782
Blocks: 1090135
TreeView+ depends on / blocked
Reported: 2014-06-17 06:50 UTC by Murray McAllister
Modified: 2021-02-17 06:28 UTC (History)
23 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2014-07-17 04:48:14 UTC

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Launchpad 1309195 0 None None None Never
Red Hat Product Errata RHSA-2014:0899 0 normal SHIPPED_LIVE Moderate: openstack-neutron security, bug fix, and enhancement update 2014-07-17 08:28:02 UTC

Description Murray McAllister 2014-06-17 06:50:02 UTC
The OpenStack project reports:

Title: Neutron L3-agent DoS through IPv6 subnet
Reporter: Thiago Martins (HP)
Products: Neutron
Versions: up to 2013.2.3, and 2014.1

Thiago Martins from Hewlett Packard reported a vulnerability in Neutron
L3-agent. By creating an IPv6 private subnet attached to a L3 router, an
authenticated user may break the L3-agent, preventing further floating
IPv4 addresses from being attached for the entire cloud. Note: removal
of the faulty network can not be done using the API and must be cleaned
at the database level. Only Neutron setups using IPv6 and L3-agent are

Upstream bug:


Possible fixes (in the master branch):


CVE request:


Comment 3 Murray McAllister 2014-06-17 06:52:07 UTC
Created openstack-neutron tracking bugs for this issue:

Affects: fedora-20 [bug 1110142]

Comment 6 Murray McAllister 2014-06-18 04:08:16 UTC
MITRE assigned CVE-2014-4167 to this issue:


Comment 7 Fedora Update System 2014-06-26 01:59:34 UTC
openstack-neutron-2013.2.3-9.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 10 errata-xmlrpc 2014-07-17 04:28:29 UTC
This issue has been addressed in following products:

  OpenStack 4 for RHEL 6

Via RHSA-2014:0899 https://rhn.redhat.com/errata/RHSA-2014-0899.html

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