Running VirtualBox as non-root user

[Chris Hill]

On Wed, 29 Sep 2021, Mario Lobo wrote:

> Hi;
>
> Here is what I've done so far:
>
> - Created user vbox and put it in vboxuser group
> - Went as far as chown -R vbox:vboxuser /usr/local/lib/virtualbox
> - Executables are with the SUiD bit set
> -r-s--x---  1 vbox  vboxusers     32064 Sep 21 22:18 VBoxSDL
> -r-s--x---  1 vbox  vboxusers     16064 Sep 21 22:18 VBoxNetAdpCtl
> -r-s--x---  1 vbox  vboxusers     32064 Sep 21 22:18 VBoxNetDHCP
> -r-s--x---  1 vbox  vboxusers     32064 Sep 21 22:18 VBoxNetNAT
> -r-s--s---  1 vbox  vboxusers     32352 Sep 22 17:55 VirtualBoxVM

Is the group name vboxuser or vboxusers? I see both above.


> - Imported a test VM
> - Ran the VM as root to make sure it's working
> - started VirtualBox as user vbox, and it starts fine
>
> VirtualBox GUI starts fine as user vbox but when I try to start the 
> test VM from it, I get:
>
> Effective UID is not root (euid=1001 egid=920 uid=1001 gid=1001) 
> (rc=-10) where: SUPR3HardenedMain what: 2 VERR_PERMISSION_DENIED (-10) 
> - Permission denied.
>
> Starting it from VirtualBoxVM --startvm test issues the same error:
>
> VirtualBoxVM: Error -10 in SUPR3HardenedMain!
> VirtualBoxVM: Effective UID is not root (euid=1001 egid=920 uid=1001
> gid=1001)
> where: SUPR3HardenedMain
> what:  2
> VERR_PERMISSION_DENIED (-10) - Permission denied.
>
> Any pointer for anything else I should be doing or is missing?
>
> Thanks,
> -- 
> Mario Lobo
> http://www.mallavoodoo.com.br
> FreeBSD since version 2.2.8 [not Pro-Audio.... YET!!]


-- 
Chris Hill               chris at monochrome.org