Description
OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | nova-lxd | 13.2.0-0ubuntu1.16.04.1 | USN-3195-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | nova-lxd | < 13.1.1 | 13.1.1 | GHSA-6xc7-4cx8-j3xc |
Advisories 1
- USN-3195-1 nova-lxd vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026