OpenStack Nova Changing vnic_type breaks compute service restart
Low severity
GitHub Reviewed
Published
Aug 4, 2022
to the GitHub Advisory Database
•
Updated May 14, 2024
Package
Affected versions
< 23.2.2
>= 24.0.0, < 24.1.2
>= 25.0.0, < 25.0.2
Patched versions
23.2.2
24.1.2
25.0.2
Description
Published by the National Vulnerability Database
Aug 3, 2022
Published to the GitHub Advisory Database
Aug 4, 2022
Reviewed
May 14, 2024
Last updated
May 14, 2024
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.
References