Re: nftables RP filter and loopback

Pablo Neira Ayuso <[email protected]> Wed, 23 Apr 2025 22:58:45 +0200
Newsgroups gmane.comp.security.firewalls.netfilter.general
Message-ID <aAlUhaH8ryNauGe9@calendula>
On Wed, Apr 23, 2025 at 10:56:41PM +0200, Pablo Neira Ayuso wrote:
> On Wed, Apr 23, 2025 at 02:06:05PM +0200, Florian Westphal wrote:
> > Pablo Neira Ayuso <[email protected]> wrote:
> > > Yes, I didn't notice either. Anyway, unless you can forecast any
> > > issue, I'd suggest to backport the entire patch? IIRC patch is
> > > relatively small and keeping it in sync with main could possibly help
> > > with cherrypicking fixes.
> > 
> > Right, it would keep -stable "bug compatible" too.
> > 
> > Maybe its ok to ask to cherry-pick it as is for
> > 6.14 and 6.12.
> 
> OK, let's request this cherry-pick for 6.12. Thanks

eaaff9b6702e ("netfilter: fib: avoid lookup if socket is available")

> > 6.13 is EOL already, 6.12 is longterm.
> > 
> > This would leave 6.6 and 6.1 longterm out but from lack
> > of bug reports so far I would not say its a prominent bug.
> > 
> > The upstream patch cherry-picks for all except 6.1.y, but
> > AFAICS its just a simple context conflict.
> > 
> > Earlier longterm kernels aren't affected.