On Tue, Dec 31, 2024 at 6:44 AM Laurent Bigonville <bi...@debian.org> wrote:

> Hello,
>
> The regular user created by the debian-installer is still added to
> several groups[0] by default (contrary to the other users created by
> adduser later), but these days with udev/logind/polkit... this doesn't
> seem necessary at all; the different desktop environments work perfectly
> without these extra privileges out of the box (in the past, you needed
> the video and audio group to have 3D acceleration and audio).
>
> This could also be seen as a security issue as, on a machine with
> multiple users, the first (regular) user could listen to the audio or
> watch the screen of other users without elevating their privileges
> explicitly.
>
> There are different bugs that are open for years about this, but AFAIK,
> there was nothing was really discussed(?).
>
> IMVHO, only the "users" group should stay (d-i and adduser should be
> kept in sync regarding the added groups) and the other groups should be
> dropped. ATM, the "passwd/user-default-groups" is marked as "for
> internal use only" but maybe that should be made configurable if a user
> has a specific need?
>
> What is the position of the debian-installer maintainers here?
>
> Kind regards,
>
> Laurent Bigonville
>
> [0] The default groups are: "audio cdrom dip floppy video plugdev netdev
> scanner bluetooth debian-tor lpadmin"
>

Crazy thought here: What if we made the list of groups preseedable?


-- 
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Ben Hildred
Automation Support Services

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