Re: 5.10.225 stable kernel cgroup_mutex not held assertion failure

[Siddh Raman Pant]

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.

Thanks,
Siddh

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