linux-kernel - Re: 5.10.225 stable kernel cgroup_mutex not held assertion failure

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Message-ID: <4f827551507ed31b0a876c6a14cdca3209c432ae.camel@oracle.com>
Date: Wed, 30 Oct 2024 07:29:38 +0000
From: Siddh Raman Pant <siddh.raman.pant@...cle.com>
To: "sashal@...nel.org" <sashal@...nel.org>,
        "stable@...r.kernel.org"
	<stable@...r.kernel.org>,
        "gregkh@...uxfoundation.org"
	<gregkh@...uxfoundation.org>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "cgroups@...r.kernel.org" <cgroups@...r.kernel.org>,
        "shivani.agarwal@...adcom.com" <shivani.agarwal@...adcom.com>
Subject: Re: 5.10.225 stable kernel cgroup_mutex not held assertion failure

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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