netdev - Re: [PATCH net] inet: RAW sockets using IPPROTO

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Message-Id: 
 <177032520958.564062.6619260477658993593.git-patchwork-notify@kernel.org>
Date: Thu, 05 Feb 2026 21:00:09 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 willemb@...gle.com, netdev@...r.kernel.org, eric.dumazet@...il.com,
 zhaoyz24@...ls.tsinghua.edu.cn, idosch@...dia.com, dsahern@...nel.org
Subject: Re: [PATCH net] inet: RAW sockets using IPPROTO_RAW MUST drop
 incoming
 ICMP

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Tue,  3 Feb 2026 19:25:09 +0000 you wrote:
> Yizhou Zhao reported that simply having one RAW socket on protocol
> IPPROTO_RAW (255) was dangerous.
> 
>   socket(AF_INET, SOCK_RAW, 255);
> 
> A malicious incoming ICMP packet can set the protocol field to 255
> and match this socket, leading to FNHE cache changes.
> 
> [...]

Here is the summary with links:
  - [net] inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP
    https://git.kernel.org/netdev/net/c/c89477ad7944

You are awesome, thank you!
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