netdev - Re: [PATCH] usb: rndis_host: Secure rndis

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Message-Id: <167273821587.22243.5603167276916404325.git-patchwork-notify@kernel.org>
Date:   Tue, 03 Jan 2023 09:30:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Szymon Heidrich <szymon.heidrich@...il.com>
Cc:     davem@...emloft.ne, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: rndis_host: Secure rndis_query check against int
 overflow

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Tue,  3 Jan 2023 10:17:09 +0100 you wrote:
> Variables off and len typed as uint32 in rndis_query function
> are controlled by incoming RNDIS response message thus their
> value may be manipulated. Setting off to a unexpectetly large
> value will cause the sum with len and 8 to overflow and pass
> the implemented validation step. Consequently the response
> pointer will be referring to a location past the expected
> buffer boundaries allowing information leakage e.g. via
> RNDIS_OID_802_3_PERMANENT_ADDRESS OID.
> 
> [...]

Here is the summary with links:
  - usb: rndis_host: Secure rndis_query check against int overflow
    https://git.kernel.org/netdev/net/c/c7dd13805f8b

You are awesome, thank you!
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