I have not the technical expertise to judge the security level of the
following solution that works with Zoom on Linux:

https://www.linux.com/news/how-to-install-and-use-firejail-on-linux/


----
For some distros like Ubuntu:

$ sudo apt install firejail

$ sudo ln -s /usr/bin/firejail /usr/local/bin/zoom
$ which -a zoom
/usr/local/bin/zoom
/usr/bin/zoom
/bin/zoom

zoom (to start from the shell)

$ firejail --list
3339:username::/usr/bin/firejail /usr/bin/zoom

------


Best,

Till