{"id":"CVE-2022-37394","state":"PUBLISHED","title":"An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnic_type, creating an instance boun","description":"An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnic_type, creating an instance bound to that port, and then changing the vnic_type of the bound port to macvtap, an authenticated user may cause the compute service to fail to restart, resulting in a possible denial of service. Only Nova deployments configured with SR-IOV are affected.","publishedAt":"2022-08-03T06:43:44.000Z","updatedAt":"2024-08-03T10:29:20.965Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://bugs.launchpad.net/ossa/+bug/1981813","https://review.opendev.org/c/openstack/nova/+/849985","https://review.opendev.org/c/openstack/nova/+/850003"],"weaknesses":[],"ingestedAt":"2026-10-29T19:50:24.026Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/37xxx/CVE-2022-37394.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-37394","state":"PUBLISHED","datePublished":"2022-08-03T06:43:44.000Z","dateUpdated":"2024-08-03T10:29:20.965Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2022-08-03T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnic_type, creating an instance bound to that port, and then changing the vnic_type of the bound port to macvtap, an authenticated user may cause the compute service to fail to restart, resulting in a possible denial of service. Only Nova deployments configured with SR-IOV are affected."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://bugs.launchpad.net/ossa/+bug/1981813","tags":["x_refsource_MISC"]},{"url":"https://review.opendev.org/c/openstack/nova/+/849985","tags":["x_refsource_MISC"]},{"url":"https://review.opendev.org/c/openstack/nova/+/850003","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2022-08-03T06:43:44.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2022-37394","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnic_type, creating an instance bound to that port, and then changing the vnic_type of the bound port to macvtap, an authenticated user may cause the compute service to fail to restart, resulting in a possible denial of service. Only Nova deployments configured with SR-IOV are affected."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://bugs.launchpad.net/ossa/+bug/1981813","refsource":"MISC","url":"https://bugs.launchpad.net/ossa/+bug/1981813"},{"name":"https://review.opendev.org/c/openstack/nova/+/849985","refsource":"MISC","url":"https://review.opendev.org/c/openstack/nova/+/849985"},{"name":"https://review.opendev.org/c/openstack/nova/+/850003","refsource":"MISC","url":"https://review.opendev.org/c/openstack/nova/+/850003"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugs.launchpad.net/ossa/+bug/1981813","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://review.opendev.org/c/openstack/nova/+/849985","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://review.opendev.org/c/openstack/nova/+/850003","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T10:29:20.965Z"}}]}}}