Re: security warning

Alan Cox (
Tue, 16 Dec 1997 18:52:54 +0000 (GMT)

> > Why do we want a patch breaking symbolic links and several applications.
> > Fix the applications or fix the use of /tmp even better still.
> What applications break? I've heard lots of warnings of "applications

Well to start with elm breaks for me, screen stopped working right at the
time I tried it. Several programs that use symlinks for locking died
(mostly custom stuff0

> the non-executable stack patch. I know it may cause problems with libc6,
> but as long as I'm using libc5, the extra layer of security it provides is
> invaluable. I know for a fact that it's saved me from 2 attempts at
> cracking root. Not only did it stop them...but it also gave me immediate
> notification that I had an univited guest.

non exec stack doesnt change the system behaviour to a non unix one. And
Im looking forward to glibc 2.1 so I can try and get non-exec into the kernel
2.3.x as a default