ubuntu-cve-2022-37394
Vulnerability from osv_ubuntu
Published
2022-08-03 07:15
Modified
2025-09-08 16:50
Summary
Details

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.

Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "nova-ajax-console-proxy",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-api",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-api-metadata",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-api-os-compute",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-api-os-volume",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-cells",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-common",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-compute",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-compute-kvm",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-compute-libvirt",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-compute-lxc",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-compute-qemu",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-compute-vmware",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-compute-xen",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-conductor",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-novncproxy",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-scheduler",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-serialproxy",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-spiceproxy",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "nova-volume",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          },
          {
            "binary_name": "python3-nova",
            "binary_version": "2:21.2.4-0ubuntu2.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "nova",
        "purl": "pkg:deb/ubuntu/nova@2:21.2.4-0ubuntu2.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:21.2.4-0ubuntu2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:20.0.0-0ubuntu1",
        "2:21.0.0~b1~git2019120415.45fb747c98-0ubuntu1",
        "2:21.0.0~b2~git2020021008.1fcd74730d-0ubuntu2",
        "2:21.0.0~b2~git2020021008.1fcd74730d-0ubuntu4",
        "2:21.0.0~b2~git2020021008.1fcd74730d-0ubuntu5",
        "2:21.0.0~b3~git2020041013.57ff308d6d-0ubuntu2",
        "2:21.0.0-0ubuntu0.20.04.1",
        "2:21.0.0-0ubuntu0.20.04.2",
        "2:21.1.0-0ubuntu1",
        "2:21.1.1-0ubuntu2",
        "2:21.1.2-0ubuntu1",
        "2:21.2.0-0ubuntu1",
        "2:21.2.1-0ubuntu1",
        "2:21.2.2-0ubuntu1",
        "2:21.2.3-0ubuntu1",
        "2:21.2.4-0ubuntu1",
        "2:21.2.4-0ubuntu2",
        "2:21.2.4-0ubuntu2.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "nova-ajax-console-proxy",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-api",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-api-metadata",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-api-os-compute",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-api-os-volume",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-cells",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-common",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-compute",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-compute-ironic",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-compute-kvm",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-compute-libvirt",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-compute-lxc",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-compute-qemu",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-compute-vmware",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-compute-xen",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-conductor",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-novncproxy",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-scheduler",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-serialproxy",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-spiceproxy",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "nova-volume",
            "binary_version": "3:25.1.0-0ubuntu1"
          },
          {
            "binary_name": "python3-nova",
            "binary_version": "3:25.1.0-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "nova",
        "purl": "pkg:deb/ubuntu/nova@3:25.1.0-0ubuntu1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3:25.1.0-0ubuntu1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3:24.0.0-0ubuntu1",
        "3:24.0.0+git2022030310.3f274c65cc-0ubuntu2",
        "3:25.0.0-0ubuntu1",
        "3:25.0.0-0ubuntu1.1",
        "3:25.0.1-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2022-37394",
  "modified": "2025-09-08T16:50:21Z",
  "published": "2022-08-03T07:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-37394"
    },
    {
      "type": "REPORT",
      "url": "https://review.opendev.org/c/openstack/nova/+/849985"
    },
    {
      "type": "REPORT",
      "url": "https://review.opendev.org/c/openstack/nova/+/850003"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5866-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-37394"
    }
  ],
  "related": [
    "USN-5866-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2022-37394"
  ]
}



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