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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Michal Hocko <mhocko@suse.com>
Cc: cve@kernel.org, linux-kernel@vger.kernel.org,
	linux-cve-announce@vger.kernel.org,
	Oleg Nesterov <oleg@redhat.com>
Subject: Re: CVE-2025-22029: exec: fix the racy usage of fs_struct->in_exec
Date: Wed, 30 Apr 2025 12:57:33 +0200	[thread overview]
Message-ID: <2025043019-cash-amicably-b5e1@gregkh> (raw)
In-Reply-To: <aBH93qMAhgMEGDAY@tiehlicka>

On Wed, Apr 30, 2025 at 12:39:26PM +0200, Michal Hocko wrote:
> Based on a follow up update from Oleg[1] I would like to dispute this
> CVE.
> 
> TL;DR version
> : with or without this patch the "if (fs->in_exec)" check in copy_fs()
> : can obviously hit the 1 -> 0 transition.
> : 
> : This is harmless, but should be probably fixed just to avoid another report
> : from KCSAN.

What is the link to [1]?

thanks,

greg k-h

  reply	other threads:[~2025-04-30 12:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-16 14:12 CVE-2025-22029: exec: fix the racy usage of fs_struct->in_exec Greg Kroah-Hartman
2025-04-30 10:39 ` Michal Hocko
2025-04-30 10:57   ` Greg Kroah-Hartman [this message]
2025-04-30 11:20   ` Oleg Nesterov
2025-05-01 14:17     ` Greg Kroah-Hartman

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