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+date: 2019-04-08
+
+id: OSSA-2019-002
+
+title: Overlapping security group rules prevents compute node network configuration
+
+description: >
+  Diko Parvanov (Canonical) reported a vulnerability in
+  neutron-openvswitch-agent security group rules. By creating
+  two security groups with separate/overlapping port ranges, an
+  authenticated user may prevent neutron from being able to configure
+  networks on any compute nodes where those security groups are
+  present. All neutron deployments utilizing
+  neutron-openvswitch-agent are affected.
+
+
+affected-products:
+  - product: neutron
+    version: '>=11.0.0 <11.0.7, >=12.0.0 <12.0.6, >=13.0.0 <13.0.3'
+
+vulnerabilities:
+  - cve-id: CVE-2019-10876
+
+reporters:
+  - name: Diko Parvanov
+    affiliation: Canonical
+    reported:
+      - CVE-2019-10876
+
+issues:
+  links:
+    - https://launchpad.net/bugs/1813007
+
+reviews:
+  pike:
+    - https://review.openstack.org/648102
+  queens:
+    - https://review.openstack.org/648004
+  rocky:
+    - https://review.openstack.org/648003
+  stein:
+    - https://review.openstack.org/648002
+  train:
+    - https://review.openstack.org/640252