Re: [PATCH v2] fs: block cross-uid sticky symlinks

Al Viro
2010-05-31T19:28:01Z

On Mon, May 31, 2010 at 10:50:08AM -0700, Kees Cook wrote:

> > Give your users their own /tmp. No kernel mods, no misbehaviours, no
> > weirdomatic path walking hackery. No kernel patch needed that I can see.
>
> Some real applications expect to share /tmp (e.g. "screen").

/tmp/screen-exchange, you mean? Such a brilliant idea on multiuser system...