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From: Greg KH <gregkh@linuxfoundation.org>
To: Kyle Zeng <zengyhkyle@gmail.com>
Cc: stable@vger.kernel.org
Subject: Re: wild pointer access in rsvp classifer in the Linux kernel <= v6.2
Date: Fri, 8 Sep 2023 07:17:12 +0100	[thread overview]
Message-ID: <2023090826-rabid-cabdriver-37d8@gregkh> (raw)
In-Reply-To: <CADW8OBtkAf+nGokhD9zCFcmiebL1SM8bJp_oo=pE02BknG9qnQ@mail.gmail.com>

On Thu, Sep 07, 2023 at 05:01:23PM -0700, Kyle Zeng wrote:
> Hi Greg,
> 
> I recently found a bug in the rsvp traffic classifier in the Linux kernel.
> This classifier is already retired in the upstream but affects stable
> releases.
> 
> The symptom of the bug is that the kernel can be tricked into accessing a
> wild pointer, thus crash the kernel.
> 
> Since it is just a crash and cannot be used for LPE, I do not want to
> trouble security@kernel.org. And since the classifier is already
> retired in the upstream, I cannot report there.

Great, can you use 'git bisect' to track down the commit that fiexes
this so we can add it to the stable trees?

thanks,

greg k-h

  reply	other threads:[~2023-09-08  6:17 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-08  0:01 wild pointer access in rsvp classifer in the Linux kernel <= v6.2 Kyle Zeng
2023-09-08  6:17 ` Greg KH [this message]
2023-09-12  2:51   ` Kyle Zeng
2023-09-13  8:12     ` Greg KH
2023-09-14  0:04       ` Kyle Zeng
2023-09-16 11:41         ` Greg KH
2023-09-20  2:27           ` Kyle Zeng
2023-09-20 11:10             ` Greg KH

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