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Date: Sat, 29 May 2021 15:50:37 +0200
From: Greg Kroah-Hartman <>
To: Oliver Hartkopp <>
	Norbert Slusarek <>,
	"David S. Miller" <>,
	Jakub Kicinski <>,
Subject: Re: Linux kernel: net/can/isotp: race condition leads to local
 privilege escalation

On Fri, May 28, 2021 at 05:41:03PM +0200, Oliver Hartkopp wrote:
> Hello Greg,
> this patch ("can: isotp: prevent race between isotp_bind() and
> isotp_setsockopt()") has hit Linus' tree ~36h ago:
> It has a CVE number and is potentially exploitable - but it was not in the
> latest batch of stable kernels about ~4h ago.

Give us a chance :)

> It was obviously not tagged properly for stable kernels but has a fixes-tag:
> Fixes: 921ca574cd38 ("can: isotp: add SF_BROADCAST support for functional
> addressing")
> which was introduced in 5.11

Now queued up, thanks.

greg k-h

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