On Tue, Sep 01, 2009 at 12:24:23AM -0400, Yaroslav Halchenko wrote:
> do you mean that executables with any capabilities (or even just
> cap_sys_nice) set are considered insecure and LD_PRELOAD is explicitly
> disallowed so LD_PRELOAD of fakeroot library fails?

Yes, it is the same as with setuid/setgid programs.  The point is
that otherwise you could make a preload library to exploit any
capability by subverting one of the functions used by a privileged
binary.

I'm not sure how fakeroot-ng interacts with capabilities, but
perhaps it is more suitable for your use case.



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