Description
LXD before 2.0.2 does not properly set permissions when switching an unprivileged container into privileged mode, which allows local users to access arbitrary world readable paths in the container directory via unspecified vectors.
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 | lxd | 2.0.2-0ubuntu1~16.04.1 | USN-2988-1 |
Advisories 1
- USN-2988-1 lxd vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
References
- https://linuxcontainers.org/lxd/news/
- USN-2988-1 vendor-advisory