Re: [Coverity] Untrusted user data in kernel

[Tomas Carnecky]

David S. Miller wrote:
> On Fri, 17 Dec 2004 14:18:52 +0100
> Tomas Carnecky <tom@xxxxxxxxxxxxx> wrote:
>
>
> > IMHO such things (passing values between user/kernel space) should 
> > always be checked.
>
>
> As per Patrick's posting, which James was responding to, it is
> checked at the level above this function.

Is only the capability checked or also the data passed to the kernel?
It's not clear from Patricks reply:
> It is already checked in do_ip6t_set_ctl(). Otherwise anyone could
> replace iptables rules :)
For me it seems that only CAP_NET_ADMIN is checked and not the data.

tom
-
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/