Description
cmanager 0.32 does not properly enforce nesting when modifying cgroup properties, which allows local users to set cgroup values for all cgroups 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 14.04 LTS | cgmanager | 0.24-0ubuntu7.1 | USN-2451-1 |
Advisories 1
- USN-2451-1 cgmanager vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
References
- USN-2451-1 vendor-advisory