NetSight
low3.3

CVE-2022-37394

OpenStack Nova Changing vnic_type breaks compute service restart

Impact

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 packages

EcosystemPackageAffectedFixed in
pipnova< 23.2.223.2.2

Affected products

VendorProductAffected versions
OpenstackNova
before 23.2.2
from 24.0.0 before 24.1.2
from 25.0.0 before 25.0.2

References