From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, ncardwell@google.com, kuniyu@google.com,
netdev@vger.kernel.org, eric.dumazet@gmail.com,
tamirthesis@gmail.com, aksecurity@gmail.com, willemb@google.com,
ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
martin.lau@linux.dev, eddyz87@gmail.com, memxor@gmail.com,
song@kernel.org, yonghong.song@linux.dev, jolsa@kernel.org,
john.fastabend@gmail.com, sdf@fomichev.me
Subject: Re: [PATCH net] tcp: restrict SO_ATTACH_FILTER to priv users
Date: Mon, 08 Jun 2026 22:50:05 +0000 [thread overview]
Message-ID: <178095900590.1702157.2907124553708857115.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260605112134.3642413-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 5 Jun 2026 11:21:34 +0000 you wrote:
> This patch restricts the use of SO_ATTACH_FILTER (cBPF) on TCP sockets
> to users with CAP_NET_ADMIN capability.
>
> This blocks potential side-channel attack where an unprivileged application
> attaches a filter to leak TCP sequence/acknowledgment numbers.
>
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reported-by: Tamir Shahar <tamirthesis@gmail.com>
> Reported-by: Amit Klein <aksecurity@gmail.com>
> Cc: Willem de Bruijn <willemb@google.com>
> Cc: Alexei Starovoitov <ast@kernel.org>
> Cc: Daniel Borkmann <daniel@iogearbox.net>
> Cc: Andrii Nakryiko <andrii@kernel.org>
> Cc: Martin KaFai Lau <martin.lau@linux.dev>
> Cc: Eduard Zingerman <eddyz87@gmail.com>
> Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>
> Cc: Song Liu <song@kernel.org>
> Cc: Yonghong Song <yonghong.song@linux.dev>
> Cc: Jiri Olsa <jolsa@kernel.org>
> Cc: John Fastabend <john.fastabend@gmail.com>
> Cc: Stanislav Fomichev <sdf@fomichev.me>
>
> [...]
Here is the summary with links:
- [net] tcp: restrict SO_ATTACH_FILTER to priv users
https://git.kernel.org/netdev/net/c/5d39580f68e6
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2026-06-08 22:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-05 11:21 [PATCH net] tcp: restrict SO_ATTACH_FILTER to priv users Eric Dumazet
2026-06-05 14:18 ` Daniel Borkmann
2026-06-05 16:58 ` Willem de Bruijn
2026-06-08 22:50 ` patchwork-bot+netdevbpf [this message]
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