Re: [PATCH] [SECURITY] suid procs exec'd with bad 0,1,2 fds

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 6 Aug 1998 20:52:41 +0100 (BST)

> What about linking all the sensitive programs with different crtbegin.o
> which would call mprotect() to make the stack non-executable? Maybe I've
> overseen something, but this looks like a working solution which doesn't
> break anything else.

For platforms that can do it this is the right sort of approach. That
crtbegin can do the fd0/1/2 checking and other things too. Alas Intel is
not such a platform

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