Description of problem: I have three logons.. "root", "leslie2 and "other" as gnome logons. leslie is administrator with full sudo NOPASSWD privileges Here is how to create the problem. TC4 any time after installation and updates. 1) Boot Fedora 2) login leslie Now leslie is active user is on tty2 (ctl-alt-f2) 3) Hit ctl-alt-f1 (the logon prompt is offered) 4) logon to other. Other appears as ctl-alt-f3 (tty3) 5) hit ctl-alt-f1 logon as root root appears as ctl-alt-f7 I can switch from one logon to the other without requiring passwords between them. I just do ctl-alt-[f2|f3|f7] Version-Release number of selected component (if applicable): Fedora beta TC4 AND Fedora 22. How reproducible: Everytime. Steps to Reproduce: 1. 2. 3. Actual results: I can switch from one logon to the other without requiring passwords between them. I just do ctl-alt-[f2|f3|f7] Expected results: Switching between users as shown above should require a password. Security should be enforced. Additional info: This feature is a security flaw. As admin, I could be called away, and a second party could issue ctl-alt-f1, and log into the system. If he wants to do admin stuff, he just switches session as shown with steps and 4 above. This bug-feature is present in F22 as well I have not checked if the same issue arises with MATE or xfce or KDE.
I just tested with MATE. Identical problem. Interestingly, Session 1, Leslie is with Mate, Session 2 Other is with Gnome, and session 3 (root logon) is with Gnome. To me it does not appear to be a gnome problem, but a Linux problem( or feature???).
Fedora 24 experiences this same functionality.
This is simple to respond. Is the current functioning of ctl-alt-f1 ctl-alt-f2 correct? That is, if a user does a "Switch user" request and gives the system to the other user, does that other user, after logging in, have to right to visit the user who initiated the "switch user". Suppose first user is root and second is non admin user.
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