Re: wild pointer access in rsvp classifer in the Linux kernel <= v6.2

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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@xxxxxxxxxx. 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



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