Thursday, March 18, 2021

Ubuntu Security Notice USN-4881-1

Ubuntu Security Notice USN-4881-1
March 17, 2021

containerd vulnerability

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.

Software Description:
- 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

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.10:
containerd 1.3.7-0ubuntu3.3

Ubuntu 20.04 LTS:
containerd 1.3.3-0ubuntu2.3

After a standard system update you need to restart containerd to make
all the necessary changes.


Package Information:

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