Re: [PATCH net v3] gtp: Require 'CAP_NET_ADMIN' when joining the gtp multicast group

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:

On Tue, 27 Oct 2026 13:06:23 +0000 you wrote:
> The gtp generic netlink family sends notifications on its "gtp"
> multicast group when a PDP context is added or deleted, and for GTP-U
> echo responses. They carry the same attributes as a GETPDP reply: the
> MS and peer addresses, and the TEIDs, or the TID and the flow label.
> 
> GETPDP requires CAP_NET_ADMIN, but generic netlink lets any user join a
> multicast group by default, so an unprivileged user in the network
> namespace of the gtp device can read all of this. Found by code
> inspection.
> 
> [...]

Here is the summary with links:
  - [net,v3] gtp: Require 'CAP_NET_ADMIN' when joining the gtp multicast group
    https://git.kernel.org/netdev/net/c/db627e71b6da

You are awesome, thank you!
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