Re: CVE-2024-39471: drm/amdgpu: add error handle to avoid out-of-bounds

[Siddh Raman Pant]

On Wed, Jul 24 2024 at 15:44:12 +0530, gregkh@xxxxxxxxxxxxxxxxxxx
wrote:
> On Wed, Jul 24, 2024 at 10:05:53AM +0000, Siddh Raman Pant wrote:
> > On Tue, 25 Jun 2024 16:29:04 +0200, Greg Kroah-Hartman wrote:
> > > In the Linux kernel, the following vulnerability has been resolved:
> > > 
> > > drm/amdgpu: add error handle to avoid out-of-bounds
> > > 
> > > if the sdma_v4_0_irq_id_to_seq return -EINVAL, the process should
> > > be stop to avoid out-of-bounds read, so directly return -EINVAL.
> > > 
> > > The Linux kernel CVE team has assigned CVE-2024-39471 to this issue.
> > 
> > This commit has a bug which was fixed by 6769a23697f1. It should be
> > immediately backported, otherwise this "fix" doesn't do anything since
> > gcc will optimise out the check.
> 
> <formletter>
> 
> This is not the correct way to submit patches for inclusion in the
> stable kernel tree.  Please read:
>     https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> for how to do this properly.
> 
> </formletter>
> 
> (hint, send the request to stable@xxxxxxxxxxxxxxx, not
> cve@xxxxxxxxxx...)
> 
> Also, any specific reason why that commit was NOT marked for stable
> inclusion by the developers/maintainers involved with it and you didn't
> cc any of them here either :(

Oops, sorry, my bad.

Siddh

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