Re: LKM rootkits in 2.6.x

From: Måns Rullgård
Date: Thu Mar 11 2004 - 14:39:14 EST


Christophe Saout <christophe@xxxxxxxx> writes:

> Am Do, den 11.03.2004 schrieb Dave Jones um 19:48:
>
>> Don't bet on it. They'll just start doing what binary-only driver vendors
>> have been doing for months.. If the table isn't exported, they find a symbol
>> that is exported, and grovel around in memory near there until they find
>> something that looks like it, and patch accordingly.
>
> Ugh... this sounds ugly. This should be forbidden. I mean, what are
> things like EXPORT_SYMBOL_GPL for if drivers are allowed to patch
> whatever they want?

Who is to stop them? When running in kernel mode you are god.

--
Måns Rullgård
mru@xxxxxx

-
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/