CVE-2021-40797
neutron-common: An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x bef...
CVE-2021-40797 is fixed in 17 products on 1 platform, first by neutron-common 2:12.1.1-0ubuntu8.1, released March 6, 2023. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0181
78th percentile
An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| neutron-common · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-common 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-common · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-common 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-dhcp-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-dhcp-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-dhcp-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-dhcp-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-l3-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-l3-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-l3-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-l3-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-linuxbridge-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-linuxbridge-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-linuxbridge-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-linuxbridge-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-macvtap-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-macvtap-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-macvtap-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-macvtap-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-metadata-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-metadata-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-metadata-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-metadata-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-metering-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-metering-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-metering-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-metering-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-openvswitch-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-openvswitch-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-openvswitch-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-openvswitch-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-ovn-metadata-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-ovn-metadata-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-plugin-linuxbridge-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-plugin-linuxbridge-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-plugin-ml2 · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-plugin-ml2 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-plugin-ml2 · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-plugin-ml2 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-plugin-openvswitch-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-plugin-openvswitch-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-plugin-sriov-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-plugin-sriov-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-server · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-server 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-server · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-server 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| neutron-sriov-agent · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | neutron-sriov-agent 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| neutron-sriov-agent · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | neutron-sriov-agent 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
| python-neutron · Ubuntu 18.04.6 LTS (bionic) | 2:12.1.1-0ubuntu8.1 | python-neutron 2:12.1.1-0ubuntu8.1 | Mar 6, 2023 |
| python3-neutron · Ubuntu 20.04 LTS (focal) | 2:16.4.2-0ubuntu6.2 | python3-neutron 2:16.4.2-0ubuntu6.2 | Mar 6, 2023 |
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