From: patchwork-bot+netdevbpf@kernel.org
To: Lin Ma <linma@zju.edu.cn>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] macvlan: add forgotten nla_policy for IFLA_MACVLAN_BC_CUTOFF
Date: Wed, 26 Jul 2023 03:10:20 +0000 [thread overview]
Message-ID: <169034102003.18310.5663605946528991892.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20230723080205.3715164-1-linma@zju.edu.cn>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Sun, 23 Jul 2023 16:02:05 +0800 you wrote:
> The previous commit 954d1fa1ac93 ("macvlan: Add netlink attribute for
> broadcast cutoff") added one additional attribute named
> IFLA_MACVLAN_BC_CUTOFF to allow broadcast cutfoff.
>
> However, it forgot to describe the nla_policy at macvlan_policy
> (drivers/net/macvlan.c). Hence, this suppose NLA_S32 (4 bytes) integer
> can be faked as empty (0 bytes) by a malicious user, which could leads
> to OOB in heap just like CVE-2023-3773.
>
> [...]
Here is the summary with links:
- [v1] macvlan: add forgotten nla_policy for IFLA_MACVLAN_BC_CUTOFF
https://git.kernel.org/netdev/net/c/55cef78c244d
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2023-07-26 3:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-23 8:02 [PATCH v1] macvlan: add forgotten nla_policy for IFLA_MACVLAN_BC_CUTOFF Lin Ma
2023-07-25 11:40 ` Simon Horman
2023-07-26 3:10 ` patchwork-bot+netdevbpf [this message]
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