From: patchwork-bot+netdevbpf@kernel.org
To: Guillaume GONNET <ggonnet.linux@gmail.com>
Cc: daniel@iogearbox.net, ast@kernel.org, bpf@vger.kernel.org,
john.fastabend@gmail.com, martin.lau@linux.dev
Subject: Re: [PATCH] bpf: fix TCX/netkit detach permissions when prog FD isn't given
Date: Mon, 26 Jan 2026 21:40:05 +0000 [thread overview]
Message-ID: <176946360561.187826.15424323975447947241.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260126173431.19825-1-ggonnet.linux@gmail.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:
On Mon, 26 Jan 2026 18:34:31 +0100 you wrote:
> This commit fixes a security issue where BPF_PROG_DETACH on TCX or netkit
> devices could be executed by any user when no program FD was provided,
> bypassing permission checks. The fix adds a capability check for
> CAP_NET_ADMIN or CAP_SYS_ADMIN in this case.
>
> Fixes: e420bed02507 ("bpf: Add fd-based tcx multi-prog infra with link support")
> Signed-off-by: Guillaume GONNET <ggonnet.linux@gmail.com>
>
> [...]
Here is the summary with links:
- bpf: fix TCX/netkit detach permissions when prog FD isn't given
https://git.kernel.org/bpf/bpf-next/c/95ffdbda5eec
You are awesome, thank you!
--
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next prev parent reply other threads:[~2026-01-26 21:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-24 21:43 [PATCH] bpf: fix TCX/netkit detach permissions when prog FD isn't given Guillaume GONNET
2026-01-24 22:06 ` bot+bpf-ci
2026-01-26 13:24 ` Daniel Borkmann
2026-01-26 17:03 ` Guillaume GONNET
2026-01-26 17:07 ` [PATCH bpf] " Guillaume GONNET
2026-01-26 17:23 ` bot+bpf-ci
2026-01-26 17:34 ` [PATCH] " Guillaume GONNET
2026-01-26 21:40 ` patchwork-bot+netdevbpf [this message]
2026-01-27 1:56 ` kernel test robot
[not found] ` <CAADnVQJNvx34irz6JYbmZvmaYU0AGRDcu8znsKjA_di798RisA@mail.gmail.com>
2026-01-27 2:29 ` Alexei Starovoitov
2026-01-27 8:26 ` [PATCH bpf v4] bpf: Fix tcx/netkit detach permissions when prog fd " Guillaume Gonnet
2026-01-27 13:10 ` Daniel Borkmann
2026-01-27 16:02 ` [PATCH bpf v5] " Guillaume Gonnet
2026-01-28 2:50 ` patchwork-bot+netdevbpf
2026-01-27 3:12 ` [PATCH] bpf: fix TCX/netkit detach permissions when prog FD " kernel test robot
2026-01-26 17:48 ` [PATCH bpf] " Daniel Borkmann
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