linux-kernel - Re: CVE-2023-52496: mtd: maps: vmu-flash: Fix the (mtd core) switch to ref counters

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Date: Fri, 8 Mar 2024 10:27:30 +0000
From: Greg KH <gregkh@...uxfoundation.org>
To: Michal Hocko <mhocko@...e.com>
Cc: cve@...nel.org, linux-kernel@...r.kernel.org,
	Lee Jones <lee@...nel.org>
Subject: Re: CVE-2023-52496: mtd: maps: vmu-flash: Fix the (mtd core) switch
 to ref counters

On Fri, Mar 08, 2024 at 11:08:51AM +0100, Michal Hocko wrote:
> On Thu 29-02-24 15:52:56, Lee Jones wrote:
> > Description
> > ===========
> > 
> > In the Linux kernel, the following vulnerability has been resolved:
> > 
> > mtd: maps: vmu-flash: Fix the (mtd core) switch to ref counters
> > 
> > While switching to ref counters for track mtd devices use, the vmu-flash
> > driver was forgotten. The reason for reading the ref counter seems
> > debatable, but let's just fix the build for now.
> 
> Do we really consider build fixes as CVE? 

Nope, good catch!  We reviewed this one wrong, now revoked, thanks for
the review.

greg k-h