Re: 5.10.225 stable kernel cgroup_mutex not held assertion failure

Siddh Raman Pant
2024-11-06T06:24:48Z

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On Wed, Nov 06 2024 at 11:40:39 +0530, gregkh@linuxfoundation.org
wrote:
> On Wed, Oct 30, 2024 at 07:29:38AM +0000, Siddh Raman Pant wrote:
> > Hello maintainers,
> >
> > On Fri, 20 Sep 2024 02:28:03 -0700, Shivani Agarwal wrote:
> > > Thanks Fedor.
> > >
> > > Upstream commit 1be59c97c83c is merged in 5.4 with commit 10aeaa47e4aa and
> > > in 4.19 with commit 27d6dbdc6485. The issue is reproducible in 5.4 and 4.19
> > > also.
> > >
> > > I am sending the backport patch of d23b5c577715 and a7fb0423c201 for 5.4 and
> > > 4.19 in the next email.
> >
> > Please backport these changes to stable.
> >
> > "cgroup/cpuset: Prevent UAF in proc_cpuset_show()" has already been
> > backported and bears CVE-2024-43853. As reported, we may already have
> > introduced another problem due to the missing backport.
>
> What exact commits are needed here? Please submit backported and tested
> commits and we will be glad to queue them up.
>
> thanks,
>
> greg k-h

Please see the following thread where Shivani posted the patches:

https://lore.kernel.org/all/20240920092803.101047-1-shivani.agarwal@broadcom.com/

Thanks,
Siddh

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