Description
In Open vSwitch (OvS) 2.7.0, while parsing an OpenFlow role status message, there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicious switch.
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 | openvswitch | 2.8.1+dfsg1-2 | — |
| Debian 13 | openvswitch | 2.8.1+dfsg1-2 | — |
| Debian 12 | openvswitch | 2.8.1+dfsg1-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | openvswitch | 2.5.2-0ubuntu0.16.04.2 | USN-3450-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | openvswitch +8 | 2.7.2-1.git20170719.el7fdp | RHSA-2017:2418 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 11 | openvswitch +6 | 2.6.1-13.git20161206.el7ost | RHSA-2017:2727 |
| Red Hat OpenStack 10 | openvswitch +1 | 2.6.1-13.git20161206.el7ost | RHSA-2017:2648 |
| Red Hat OpenStack 9 | openvswitch +1 | 2.5.0-15.git20160727.el7ost | RHSA-2017:2553 |
| Red Hat OpenStack 8 | openvswitch +1 | 2.5.0-15.git20160727.el7ost | RHSA-2017:2692 |
| Red Hat OpenStack 7 | openvswitch +1 | 2.5.0-15.git20160727.el7ost | RHSA-2017:2698 |
| Red Hat OpenStack 6 | openvswitch +1 | 2.4.1-2.git20160727.el7ost | RHSA-2017:2665 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | openvswitch | 2.7.0-3.3.1 | SUSE-SU-2017:2212-1 |
| SLES 12 SP2 | openvswitch | 2.5.1-25.12.7 | SUSE-SU-2018:0311-1 |
| SLES 12 SP2 | openvswitch-dpdk | 2.5.1-25.12.8 | SUSE-SU-2018:0311-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | openvswitch | 2.7.0-3.3.1 | SUSE-SU-2017:2212-1 |
| SLES for SAP 12 SP2 | openvswitch | 2.5.1-25.12.7 | SUSE-SU-2018:0311-1 |
| SLES for SAP 12 SP2 | openvswitch-dpdk | 2.5.1-25.12.8 | SUSE-SU-2018:0311-1 |
| SUSE OpenStack Cloud 6 | openvswitch | 2.5.1-6.4.7 | SUSE-SU-2018:0505-1 |
Advisories 11
- RHSA-2017:2727 Red Hat Security Advisory: openvswitch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:2698 Red Hat Security Advisory: openvswitch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:2692 Red Hat Security Advisory: openvswitch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:2665 Red Hat Security Advisory: openvswitch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:2648 Red Hat Security Advisory: openvswitch security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:2553 Red Hat Security Advisory: openvswitch security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2017:2418 Red Hat Security Advisory: openvswitch security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3450-1 openvswitch vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:0311-1 Security update for openvswitch SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0505-1 Security update for openvswitch SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2212-1 Security update for openvswitch SUSE / openSUSE Security Updates · Feb 4, 2026
References
- RHSA-2017:2698 vendor-advisory
- RHSA-2017:2727 vendor-advisory
- RHSA-2017:2692 vendor-advisory
- RHSA-2017:2553 vendor-advisory
- RHSA-2017:2418 vendor-advisory
- RHSA-2017:2648 vendor-advisory
- RHSA-2017:2665 vendor-advisory
- https://mail.openvswitch.org/pipermail/ovs-dev/2017-May/332966.html