[USN-4881-1] containerd vulnerability
marc.deslauriers at canonical.com
Wed Mar 17 14:54:45 UTC 2021
Ubuntu Security Notice USN-4881-1
March 17, 2021
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10
- Ubuntu 20.04 LTS
The system could be made to expose sensitive information.
- containerd: daemon to control runC
It was discovered that containerd incorrectly handled certain environment
variables. Contrary to expectations, a container could receive environment
variables defined for a different container, possibly containing sensitive
The problem can be corrected by updating your system to the following
Ubuntu 20.04 LTS:
After a standard system update you need to restart containerd to make
all the necessary changes.
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