From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A55C71B48; Wed, 22 May 2024 05:11:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716354691; cv=none; b=r5FVrJmp3gfDQBwqJ05FqKdHqZscEUsbJzaJhYQkk4iQZiCtdCDvq4VWQun8I/7/YkTN0D0AelHlGj+TxoWMWS+NXaM4za5h78mwDsUN+Im5USCWIQb1wUiaOum5T+QWZKK1xCnFJkyMmrof2iiU17AXBkgMaar3LCTWUAM1HZ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716354691; c=relaxed/simple; bh=JVZyIr1DcIhtNHmItJ41ELlDSeUv6IkItUGDpVhMZLU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IcDiLPhw/M8gtEbe7YUWfTW3g9VWQs2BvWtbdT5l9Qhcg8t2SsL30r5haxBLhou3iZcujtOA+9RERhHS/IvaYMNeEw7QAEDTdL8y4aM4D2l+IAK1TZxH2HDzeY6njNu0rZDIJJ2qcmE9touGzQGEYvsGesr/uwYKBEBu7fsF2og= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=x0Ras6IL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="x0Ras6IL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CCEA9C2BD11; Wed, 22 May 2024 05:11:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716354690; bh=JVZyIr1DcIhtNHmItJ41ELlDSeUv6IkItUGDpVhMZLU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=x0Ras6ILzs/OoiMScXEf9XexwwOp4iAIuGhJehlZxVQvnTlUDWZfW0TM7ENVVP5kL 3KjjbDYrzfhE9i9Iwk6/QuA51evJZ8Z8+m2j/rsxTXYHjdecp3u2RnFLRE57/r8bRI b6QqbLeDXVCSTBlLVnQ8sEq4SKQ701ZWfacK8IEY= Date: Wed, 22 May 2024 07:11:28 +0200 From: Greg Kroah-Hartman To: Michal Hocko Cc: cve@kernel.org, linux-kernel@vger.kernel.org, Jason Xing , linux-cve-announce@vger.kernel.org Subject: Re: CVE-2024-27429: netrom: Fix a data-race around sysctl_netrom_obsolescence_count_initialiser Message-ID: <2024052219-storewide-arrogance-8d54@gregkh> References: <2024051722-CVE-2024-27429-878c@gregkh> <2024052105-pulsate-reborn-119a@gregkh> Precedence: bulk X-Mailing-List: linux-cve-announce@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, May 21, 2024 at 06:05:03PM +0200, Michal Hocko wrote: > On Tue 21-05-24 16:40:24, Greg KH wrote: > > On Tue, May 21, 2024 at 10:39:04AM +0200, Michal Hocko wrote: > > > This and couple of others are all having the same pattern. Adding > > > READ_ONCE for an integer value with a claim that this might race with > > > sysctl updates. While the claim about the race is correct I fail to see > > > how this could have any security consequences. Even if a partial write > > > was observed which sounds _more_ than theoretical these all are merely > > > timeouts and delays. > > > > > > Is there anything I am missing? > > > > Nope, you are right, our fault, I'll go revoke this now. > > please also revoke all others touching the same function. I don't see any other CVEs that reference that function, but I do see some that reference the same type of issue in the same file: CVE-2024-27420 CVE-2024-27421 CVE-2024-27430 are those what you are referring to? If not, which ones do you think also should be revoked? thanks, greg k-h