Stas Sergeev <[email protected]> wrote:
> Arjan van de Ven wrote:
> >> but ld.so seems to be
> >> the special case - it is a kernel helper after all,
> > in what way is ld.so special in ANY way?
> It is a kernel helper.
Right. But what prevents anybody to have a hacked, non-testing, ld.so lying
around?
> Kernel does all the security
> checks before invoking it. However, when invoked
> directly, it have to do these checks itself. So it is
> special in a way that it have to do the security checks
> which otherwise only the kernel should do.
It just can't do them (reliably at least) in general. Call it a Unix/POSIX
design failure...
--
Dr. Horst H. von Brand User #22616 counter.li.org
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