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Comment by jzer0cool | Hacker News Reader

Any list somewhere which provides a list of affected OSs or at least how to check?

    sudo unattended-upgrade --dry-run

Looks like I get a new sudo!

sudo --version

anything below version 1.9.5p2 is affected

Unless the patches have been backported, as is the case for Ubuntu 18.04, in which case it may not need to be 1.9.5p2. https://launchpad.net/ubuntu/+source/sudo/1.8.21p2-3ubuntu1....

how to patch (e.g. ubuntu)? or requires compiling from source?

EDIT: see above post provided by comfydragon