CVE-2022-37394

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.

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.

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.

It was discovered that Nova did not properly manage data logged into the log file. An attacker with read access to the service's logs could exploit this issue and may obtain sensitive information. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. (CVE-2015-9543)

It was discovered that Nova did not properly handle attaching and reattaching the encrypted volume. An attacker could possibly use this issue to perform a denial of service attack. This issue only affected Ubuntu 16.04 ESM. (CVE-2017-18191)

It was discovered that Nova did not properly handle the updation of domain XML after live migration. An attacker could possibly use this issue to corrupt the volume or perform a denial of service attack. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-17376)

It was discovered that Nova was not properly validating the URL passed to noVNC. An attacker could possibly use this issue by providing malicious URL to the noVNC proxy to redirect to any desired URL. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. (CVE-2021-3654)

It was discovered that Nova did not properly handle changes in the neutron port of vnic_type type. An authenticated user could possibly use this issue to perform a denial of service attack. This issue only affected Ubuntu 20.04 LTS. (CVE-2022-37394)