linux-kernel - Re: [v6.1.52][PATCH] Bluetooth: btsdio: fix use after free bug in btsdio

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Message-ID: <2023091051-blaspheme-quack-c949@gregkh>
Date:   Sun, 10 Sep 2023 07:59:06 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     "Deepak Rathore -X (deeratho - E-INFO CHIPS INC at Cisco)" 
        <deeratho@...co.com>
Cc:     "salvatore.bonaccorso@...il.com" <salvatore.bonaccorso@...il.com>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [v6.1.52][PATCH] Bluetooth: btsdio: fix use after free bug in
 btsdio_remove due to race condition

On Sun, Sep 10, 2023 at 06:25:22AM +0000, Deepak Rathore -X (deeratho - E-INFO CHIPS INC at Cisco) wrote:
> -----Original Message-----
> From: Greg KH <gregkh@...uxfoundation.org> 
> Sent: Saturday, September 9, 2023 5:17 PM
> To: Deepak Rathore -X (deeratho - E-INFO CHIPS INC at Cisco) <deeratho@...co.com>
> Cc: stable@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [v6.1.52][PATCH] Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition
> 
> On Sat, Sep 09, 2023 at 08:49:52AM +0000, Deepak Rathore -X (deeratho - E-INFO CHIPS INC at Cisco) wrote:
> > -----Original Message-----
> > From: Greg KH <gregkh@...uxfoundation.org>
> > Sent: Friday, September 8, 2023 12:39 PM
> > To: Deepak Rathore -X (deeratho - E-INFO CHIPS INC at Cisco) 
> > <deeratho@...co.com>
> > Cc: stable@...r.kernel.org; linux-kernel@...r.kernel.org
> > Subject: Re: [v6.1.52][PATCH] Bluetooth: btsdio: fix use after free 
> > bug in btsdio_remove due to race condition
> > 
> > > A: http://en.wikipedia.org/wiki/Top_post
> > > Q: Were do I find info about this thing called top-posting?
> > > A: Because it messes up the order in which people normally read text.
> > > Q: Why is top-posting such a bad thing?
> > > A: Top-posting.
> > > Q: What is the most annoying thing in e-mail?
> > 
> > > A: No.
> > > Q: Should I include quotations after my reply?
> > 
> > 
> > > http://daringfireball.net/2007/07/on_top
> > 
> > On Fri, Sep 08, 2023 at 06:54:06AM +0000, Deepak Rathore -X (deeratho - E-INFO CHIPS INC at Cisco) wrote:
> > > Hi Greg,
> > > 
> > > This change is required to fix kernel CVE: CVE-2023-1989 which is 
> > > reported in v6.1 kernel version.
> > 
> > > Which change?
> > 
> > [Deepak]: I am referring below change. This below change is required to fix kernel CVE: CVE-2023-1989 which is reported in v6.1 kernel.
> > 
> > Subject: [v6.1.52][PATCH] Bluetooth: btsdio: fix use after free bug in 
> > btsdio_remove due to race condition
> > 
> > From: Zheng Wang <zyytlz.wz@....com>
> > 
> > [ Upstream commit 73f7b171b7c09139eb3c6a5677c200dc1be5f318 ]
> 
> > This commit is already in the 6.1.52 kernel release, why do you want it included again?
> 
> > confused,
> 
> > greg k-h
> 
> Hi Greg, Salvatore,
> 
> When I have submitted this patch for review, at that time, 6.1.52 was not released.
> 
> It will be good if you can share me guideline or details like how I
> can share CVE fix patch to upstream for review like what details I
> need to include in patch for review so from next time, we can save
> time in query discussion.

Why does the random assignment of a CVE number mean anything should be
done differently than the normal process of getting a stable patch
merged?

You have read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html

right?

That should cover it.

thanks,

greg k-h