Re: [PATCH] [3/3] Support piping into commands in/proc/sys/kernel/core_pattern

From: Arjan van de Ven
Date: Fri Aug 18 2006 - 07:59:47 EST


On Fri, 2006-08-18 at 10:29 +0200, Andi Kleen wrote:
> > But still. Is this code secure?
>
> Any auditing from third parties appreciated.
>
> I don't know of any obvious flaws (at least assuming the pipe handler
> isn't insecure code), but then I'm biased.

one angle is... is the userspace handler trusted code by root? Or is it
allowed to be per user/user defined binary? In the later case there are
all kinds of DoS scenarios possible; in the former it's root doing that
to himself ;)

--
if you want to mail me at work (you don't), use arjan (at) linux.intel.com

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/