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, idosch@nvidia.com, dsahern@kernel.org,
netdev@vger.kernel.org, eric.dumazet@gmail.com,
sbrivio@redhat.com
Subject: Re: [PATCH net] vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu()
Date: Wed, 27 May 2026 01:30:19 +0000 [thread overview]
Message-ID: <177984541939.4041297.1723728768792340106.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260525203642.2389723-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Mon, 25 May 2026 20:36:42 +0000 you wrote:
> skb_tunnel_check_pmtu() can change skb->head.
>
> Reusing old_iph afer skb_tunnel_check_pmtu() can cause an UAF.
>
> Use instead ip_hdr(skb) as done in drivers/net/bareudp.c
> and drivers/net/geneve.c.
>
> [...]
Here is the summary with links:
- [net] vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu()
https://git.kernel.org/netdev/net/c/7d9ef0cb2715
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:[~2026-05-27 1:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-25 20:36 [PATCH net] vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() Eric Dumazet
2026-05-26 7:05 ` Stefano Brivio
2026-05-27 1:30 ` patchwork-bot+netdevbpf [this message]
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