From: Simon Horman <horms@kernel.org>
To: Jeremy Kerr <jk@codeconstruct.com.au>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Matt Johnston <matt@codeconstruct.com.au>,
netdev@vger.kernel.org
Subject: Re: [PATCH net] net: mctp: ensure our nlmsg responses are initialised
Date: Thu, 12 Feb 2026 13:39:46 +0000 [thread overview]
Message-ID: <aY3YIiY8_wr5IvKn@horms.kernel.org> (raw)
In-Reply-To: <20260209-dev-mctp-nlmsg-v1-1-f1e30c346a43@codeconstruct.com.au>
On Mon, Feb 09, 2026 at 03:27:33PM +0800, Jeremy Kerr wrote:
> Syed Faraz Abrar (@farazsth98) from Zellic, and Pumpkin (@u1f383) from
> DEVCORE Research Team working with Trend Micro Zero Day Initiative
> report that a RTM_GETNEIGH will return uninitalised data in the pad
> bytes of the ndmsg data.
>
> Ensure we're initialising the netlink data to zero, in the link, addr
> and neigh response messages.
>
> Fixes: 831119f88781 ("mctp: Add neighbour netlink interface")
> Fixes: 06d2f4c583a7 ("mctp: Add netlink route management")
> Fixes: 583be982d934 ("mctp: Add device handling and netlink interface")
> Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2026-02-12 13:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-09 7:27 [PATCH net] net: mctp: ensure our nlmsg responses are initialised Jeremy Kerr
2026-02-12 13:39 ` Simon Horman [this message]
2026-02-13 2:50 ` patchwork-bot+netdevbpf
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