From: patchwork-bot+netdevbpf@kernel.org
To: Guillaume Gonnet <ggonnet.linux@gmail.com>
Cc: daniel@iogearbox.net, alexei.starovoitov@gmail.com,
ast@kernel.org, bpf@vger.kernel.org, john.fastabend@gmail.com,
martin.lau@linux.dev
Subject: Re: [PATCH bpf v5] bpf: Fix tcx/netkit detach permissions when prog fd isn't given
Date: Wed, 28 Jan 2026 02:50:04 +0000 [thread overview]
Message-ID: <176956860461.1489558.7025980277858474466.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260127160200.10395-1-ggonnet.linux@gmail.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Tue, 27 Jan 2026 17:02:00 +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,v5] bpf: Fix tcx/netkit detach permissions when prog fd isn't given
https://git.kernel.org/bpf/bpf-next/c/ae23bc81ddf7
You are awesome, thank you!
--
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next prev parent reply other threads:[~2026-01-28 2:50 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
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 [this message]
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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