Re: [PATCH net-next] usbnet: ipheth: prevent OoB reads of NDP16

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Hi,

On 08.09.24 01:01, Foster Snowhill wrote:

To address the above issues without reimplementing more of CDC NCM,
rely on and check for a specific fixed format of incoming URBs
expected from an iOS device:

* 12-byte NTH16
* 96-byte NDP16, allowing up to 22 DPEs (up to 21 datagrams + trailer)

I am afraid this is an approach we must not take. We cannot rely on
a specific device's behavior in a class driver.

This is a NACK.

	Regards
		Oliver




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