AppArmor vulnerability fixes available | Ubuntu

How to check if you are impacted

To get the version of the sudo package installed, run the following command:

    
dpkg -l 'sudo*' | grep ^ii

  

The following table lists the fixed versions of the sudo package in all supported Ubuntu releases:

Affected sudo versions

How to address

We recommend you upgrade all packages:

    
sudo apt update && sudo apt upgrade

  

If this is not possible, the sudo userspace mitigations can be installed directly and does not require a reboot to apply:

    
sudo apt update
sudo apt install sudo

  

The unattended-upgrades feature is enabled by default for Ubuntu Xenial Xerus (16.04 LTS) onwards. This service:

• Applies new security updates every 24 hours automatically.
• If you have this enabled, the patches above will be automatically applied within 24 hours of being available.