Hi Michael,
> >>>> Can we hold off on this until the 2.6.17.13 review cycle? This patch
> >>>> has not been sent to the linux-dvb mailing list, it has not been
> >>>> reviewed or tested except for the Author and Marcel.
> >>> Yes, I've now moved it, thanks.
> >> Marcel Siegert and I spoke about this today -- We are doing things a
> >> bit differently for 2.6.18 and later, but this patch is appropriate for
> >> 2.6.17.y
> >
> > so this means it is fixed in 2.6.18 or is it still vulnerable. If it is
> > still vulnerable, then we need a fix. And we need it now.
>
> 2.6.18 should not be vulnerable. See the following changeset in Linus'
> tree:
>
> http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blobdiff;h=8859ab74f0fe4c65c8e75b9350a2a0b138615525;hp=9fd87521a1639bd3dae51dcdce48545614d41a85;hb=18232ca61b4c73b849850200a5e6ec40517f35ab;f=drivers/media/dvb/dvb-core/dvb_net.c
>
> Quoting MWS from irc:
>
> if the len is smaller than 4 or if dbit set smaller than 4+ealen, just
> get rid of that packet and interpret as error. the 2.6.18 is not letting
> them through if they are < sizeof(5), so 4 byte packets would be ignored.
I saw the changeset in the current 2.6.18-rc kernel and this was the
reason for me asking. I don't have the hardware to reproduce this, but
if you say that the final 2.6.18 kernel will not be vulnerable, then I
take your word for it.
Regards
Marcel
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