Re: /dev/fb* permissions, local DoS
Ethan Benson wrote:
> On Mon, Nov 20, 2000 at 09:28:29PM +0100, Michel Dänzer wrote:
> > Ethan Benson wrote:
> > > > hour:/home/kr0n# ls -ls /dev/fb0
> > > > 0 crw--w--w- 1 root tty 29, 0 Jul 5 14:44 /dev/fb0
> > >
> > > apparently writing random garbage into the fb devices is not supposed
> > > to cause a kernel panic, that seems to be a bug in the framebuffer
> > > driver in my kernel. (or perhaps all 2.2 kernels with aty128fb) i
> > > still think it would be more appropriate to have these permissions set
> > > to 620 root.video.
> > root.tty makes a lot of sense to me, too.
> really? why? group tty is pretty much just for write and talk, which
> have no relevence to framebuffer devices.
Okay, you got me :)
Not knowing the groups in Debian very well, I assumed group tty was related to
Earthling Michel Dänzer (MrCooper) \ CS student and free software enthusiast
Debian GNU/Linux (powerpc,i386) user \ member of XFree86 and The DRI Project