Re: [PATCH nf] netfilter: fix use-after-free in __nf_register_net_hook() | netdev | Ratatoskr

[PATCH nf] netfilter: fix use-after-free in __nf_register_net_hook() · Eric Dumazet <hidden> · 2022-02-27
Re: [PATCH nf] netfilter: fix use-after-free in __nf_register_net_hook() · Florian Westphal <fw@strlen.de> · 2022-02-27
Re: [PATCH nf] netfilter: fix use-after-free in __nf_register_net_hook() · Pablo Neira Ayuso <pablo@netfilter.org> · 2022-02-28

Re: [PATCH nf] netfilter: fix use-after-free in __nf_register_net_hook()

From: Florian Westphal <fw@strlen.de>
Date: 2022-02-27 18:07:13
Also in: netfilter-devel

Eric Dumazet [off-list ref] wrote:

We must not dereference @new_hooks after nf_hook_mutex has been released,
because other threads might have freed our allocated hooks already.

Oh, right you are.

Acked-by: Florian Westphal <fw@strlen.de>