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Re: /proc filesystem allows bypassing directory permissions on Linux


> > > 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.
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html