On 2018-12-10 09:04:43 [+0100], Greg KH wrote:
> From: Hui Peng <[email protected]>
> 
> The function hso_probe reads if_num from the USB device (as an u8) and uses
> it without a length check to index an array, resulting in an OOB memory read
> in hso_probe or hso_get_config_data. Added a length check for both locations
> and updated hso_probe to bail on error.

The function hso_probe reads if_num from the USB device (as an u8) and uses
it without a length check to index an array, resulting in an OOB memory read
in hso_probe or hso_get_config_data.

Add a length check for both locations and update hso_probe to bail on
error.

> This issue has been assigned CVE-2018-19985.
>
> Reported-by: Hui Peng <[email protected]>
> Reported-by: Mathias Payer <[email protected]>
> Signed-off-by: Hui Peng <[email protected]>
> Signed-off-by: Mathias Payer <[email protected]>
> Signed-off-by: Greg Kroah-Hartman <[email protected]>

Reviewed-by: Sebastian Andrzej Siewior <[email protected]>

Sebastian

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