Stumbling over this bugzilla comment[1] from @ebassi warning about running GUI applications as root on #Linux. That all sounds very plausible to me. The only thing that bugs me, which isn't ebassi's fault, is that when you search for "how to properly implement privilege escalation on Linux" you mainly find links to exploit howtos.

[1] bugzilla.gnome.org//show_bug.c…

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