Description
OpenStack Neutron before 2014.2.4 (juno) and 2015.1.x before 2015.1.1 (kilo), when using the IPTables firewall driver, allows remote authenticated users to cause a denial of service (L2 agent crash) by adding an address pair that is rejected by the ipset tool.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | neutron | 2015.1.0+2015.06.24.git61.bdf194a0e1-1 | — |
| Debian 13 | neutron | 2015.1.0+2015.06.24.git61.bdf194a0e1-1 | — |
| Debian 12 | neutron | 2015.1.0+2015.06.24.git61.bdf194a0e1-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 6 | python-neutron +25 | 2014.2.3-9.el7ost | RHSA-2015:1680 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE OpenStack Cloud 5 | crowbar-barclamp-neutron | 1.9+git.1443859419.95e948a-12.2 | SUSE-SU-2015:1890-1 |
| SUSE OpenStack Cloud 5 | openstack-neutron | 2014.2.4~a0~dev103-16.2 | SUSE-SU-2015:1890-1 |
| SUSE OpenStack Cloud 5 | openstack-neutron-doc | 2014.2.4~a0~dev103-16.4 | SUSE-SU-2015:1890-1 |
| SUSE Cloud Compute Node for SUSE Linux Enterprise 12 | openstack-neutron | 2014.2.4~a0~dev103-10.3 | SUSE-SU-2015:2220-1 |
| SUSE Cloud Compute Node for SUSE Linux Enterprise 12 | openstack-nova | 2014.2.4~a0~dev80-14.1 | SUSE-SU-2015:2220-1 |
| SUSE Cloud Compute Node for SUSE Linux Enterprise 12 | python-python-memcached | 1.54-2.1 | SUSE-SU-2015:2220-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- GeniXCMS 0.0.3 - Cross-Site Scripting EDB-37360 · webapps · Jun 24, 2015
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | neutron | >= 2000, < 2014.2.4 | 2014.2.4 | GHSA-wf44-4mgj-rwvx |
| PyPI | neutron | >= 2015.1.0, < 2015.1.1 | 2015.1.1 | GHSA-wf44-4mgj-rwvx |
| PyPI | neutron | < 2014.2.4 · >= 2015.1.0, < 2015.1.1 | 2014.2.4, 2015.1.1 | PYSEC-2026-856 |
Advisories 3
- RHSA-2015:1680 Red Hat Security Advisory: openstack-neutron security and bug fix update Red Hat Security Advisories (RHSA) · Aug 1, 2026
- SUSE-SU-2015:1890-1 Security update for openstack-neutron and crowbar-barclamp-neutron SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2220-1 Security update for openstack-nova and openstack-neutron SUSE / openSUSE Security Updates · Feb 4, 2026