Re: [RFC] "Text file busy" when overwriting libraries

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 15 Oct 2001 13:08:09 +0100 (BST)


> Anyone can write it, but what the hell will he do without write access to
> any place that wouldn't be mounted noexec? Environment can be restricted
> even if you give them shell...

He will type "perl" and interactively issue any damn syscall he likes
subject to the normal permissions rules. Noexec is only useful for a user
given virtually nothing.

ALan

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