Re: Stack clash and Fedora, new kernel vulnerability, from kernel list

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On Tue, 20 Jun 2017 08:32:23 -0400
Tom Horsley wrote:

> That doesn't make any sense. If the exploit happens in ld.so, fixing it
> doesn't do anything. All you need to do is point an executable at an
> old copy of ld.so and you have access to the same exploit.

OK, I see it now. The exploit only happens in setuid programs,
so if they are linked with a repaired ld.so, then I can't
change them to use the broken ld.so (unless I have root access,
in which case who needs the exploit).
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