Hello,
On Wed, 5 Feb 2014, Julian Anastasov wrote:
> On Wed, 5 Feb 2014, Paul Gortmaker wrote:
>
> > From: Mathias Krause <[email protected]>
> >
> > -------------------
> > This is a commit scheduled for the next v2.6.34 longterm release.
> >
> > http://git.kernel.org/?p=linux/kernel/git/paulg/longterm-queue-2.6.34.git
> > If you see a problem with using this for longterm, please comment.
> > -------------------
> >
> > commit 2d8a041b7bfe1097af21441cb77d6af95f4f4680 upstream.
> >
> > If at least one of CONFIG_IP_VS_PROTO_TCP or CONFIG_IP_VS_PROTO_UDP is
> > not set, __ip_vs_get_timeouts() does not fully initialize the structure
> > that gets copied to userland and that for leaks up to 12 bytes of kernel
> > stack. Add an explicit memset(0) before passing the structure to
> > __ip_vs_get_timeouts() to avoid the info leak.
>
> I guess, this patch is not needed after commit
> "ipvs: initialize returned data in do_ip_vs_get_ctl" because
> the memset is already moved into __ip_vs_get_timeouts().
Sorry, I thought this patch comes after commit
b61a602ee6730150f4d0df730d9312ac4d820ceb
("ipvs: initialize returned data in do_ip_vs_get_ctl")
but it looks like it is ok with this single change,
sorry for the noise!
Regards
--
Julian Anastasov <[email protected]>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
