Re: /proc filesystem allows bypassing directory permissions on Linux

[Pavel Machek <pavel@xxxxxx>]

Hi!

> > > Not that I would have expected anything different considering who posted
> > > it in the first place.
> > >
> > Thus Debian kernel team should be blamed for that misbehaviour. Don't 
> > worry, 
> > hardlinks behave just the same way, as you describe. Use authentic Linux 
> > kernels, if you dislike that.
> 
> Just tested it on my colo where the provider is using some homebrew
> derived from the upstream Linux kernel. In any case Pavel was most
> likely using Suse and I asked someone to give it a go on one of all
> Ubuntu varieties. So even if it is not present upstream it is in a patch
> which more than one distro has adopted (f.e. ptrace fixes).

Pavel was using pretty much vanilla kernel. (That is, patches in
drivers but nothing more significant.
                                                                        Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html