From: Florian Westphal <fw@strlen.de>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf] netfilter: lwtunnel: expose read-only sysctl nf_hooks_lwtunnel for non init-netns
Date: Tue, 25 Aug 2026 00:39:11 +0200 [thread overview]
Message-ID: <aozID8YV177fIgql@strlen.de> (raw)
In-Reply-To: <20260824221902.96694-1-pablo@netfilter.org>
Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> Expose nf_hooks_lwtunnel sysctl with 0444 mode from non init-netns
> instead of 0644, sashiko reports this is exposing a global static branch
> to modification by unprivileged users.
No objection but I find this report weird. Why is that an issue in the
first place?
> Fixes: a2225e0250c5 ("netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core")
AFAICS it was exposed before this too, just via conntrack module and not the core.
next prev parent reply other threads:[~2026-08-24 22:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-24 22:19 [PATCH nf] netfilter: lwtunnel: expose read-only sysctl nf_hooks_lwtunnel for non init-netns Pablo Neira Ayuso
2026-08-24 22:39 ` Florian Westphal [this message]
2026-08-25 22:30 ` Pablo Neira Ayuso
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