linux-kernel - Re: Ubuntu RT2X00 WIFI USB Driver Kernel NULL pointer Dereference&Use-After-Free Vulnerability

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Message-ID: <2024082106-flagman-plausible-cb40@gregkh>
Date: Wed, 21 Aug 2024 22:06:00 +0800
From: Greg KH <gregkh@...uxfoundation.org>
To: color Ice <wirelessdonghack@...il.com>
Cc: Alan Stern <stern@...land.harvard.edu>, kvalo@...nel.org,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-wireless@...r.kernel.org, mark.esler@...onical.com,
	stf_xl@...pl, tytso@....edu
Subject: Re: Ubuntu RT2X00 WIFI USB Driver Kernel NULL pointer
 Dereference&Use-After-Free Vulnerability

On Wed, Aug 21, 2024 at 04:25:36PM +0800, color Ice wrote:
> Dear Ubuntu Team,

We are not affiliated with Ubuntu at all, sorry.  Please be kind.

> I have encountered a race condition issue in the RT2X00 driver,
> specifically related to the function rt2x00usb_work_rxdone. The issue
> manifests as a kernel NULL pointer dereference, which causes the
> system to crash. Below is the detailed analysis and my suggestions for
> addressing the issue.
> 
> Problem Analysis

<snip>

This mostly looks like it was created with chatgpt or something like
that, please do not send us things like that.

Again, work with your professor at school who has assigned you this task
to complete it, don't force us to do the work for you :)

If we get a chance, we'll look at it, but note it's way down the
priority list for most of us.

thanks,

greg k-h