Attention about the Fedora Magazine article that elaborates this case: The article contained misleading information and still indicates misleading points after its update: If you have any F40 - including Beta - your “testing” branches are enabled by default: this means, any F40 has to be assumed to be affected and thus needs to follow the advice for mitigation below (please read the update 3 below). Communications between development and the magazine unfortunately is broken at the moment. The x...
If you go to the post, on the comments, there is someone that is already telling you to run dnf list xz --installed. So you don’t need to run xz directly.
If you go to the post, on the comments, there is someone that is already telling you to run
dnf list xz --installed. So you don’t need to runxzdirectly.