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Date:   Wed, 11 Jan 2023 14:38:04 +0100 (CET)
From:   Jan Engelhardt <jengelh@inai.de>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc:     linux-kernel@vger.kernel.org,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
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        Oleksij Rempel <linux@rempel-privat.de>,
        =?UTF-8?Q?Maciej_=C5=BBenczykowski?= <maze@google.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
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Subject: Re: [PATCH] USB: disable all RNDIS protocol drivers
In-Reply-To: <20221123124620.1387499-1-gregkh@linuxfoundation.org>
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References: <20221123124620.1387499-1-gregkh@linuxfoundation.org>
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On Wednesday 2022-11-23 13:46, Greg Kroah-Hartman wrote:
>
>The Microsoft RNDIS protocol is, as designed, insecure and vulnerable on
>any system that uses it with untrusted hosts or devices.  Because the
>protocol is impossible to make secure, just disable all rndis drivers to
>prevent anyone from using them again.
>
>Windows only needed this for XP and newer systems, Windows systems older
>than that can use the normal USB class protocols instead, which do not
>have these problems.


In other news, someone just proposed adding "RNDIS" things to UEFI, so 
now the security problem is added right back into machines but at 
another layer?!

https://edk2.groups.io/g/devel/topic/patch_1_3/95531719