prelink: is it worth it?

devzero2000 pinto.elia at gmail.com
Thu Jul 9 16:11:22 UTC 2009


On Thu, Jul 9, 2009 at 5:59 PM, Till Maas <opensource at till.name> wrote:

> On Thu July 9 2009, yersinia wrote:
>
> > But something one have to pay a security prize on not disabling it :  it
> > render impossible to have a
> > centralizzated security integrity management (e.g. rfc.sf.net for
> example)
> > or one have to skip from check the prelink binary. Very bad i think.
>
> You pay a security prize if you disable prelink, because it also performs
> address space randomization:
> http://lwn.net/Articles/190139/
>

Perhaps something have changed from 2006 - try yourself. on your RHEL/fedora
if ASLR depends only on prelink.
But the last word on this is on jackub/Ulrich/Molnar. If i was wrong it is
nice to know.

regards
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