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

[gregkh@xxxxxxxxxxxxxxxxxxx]

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 :(

thanks,

greg k-h