linux-cve-announce - Re: CVE-2023-52435: net: prevent mss overflow in skb

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Message-ID: <2024022131-fang-rope-a629@gregkh>
Date: Wed, 21 Feb 2024 12:24:01 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Vlastimil Babka <vbabka@...e.cz>
Cc: cve@...nel.org, linux-cve-announce@...r.kernel.org,
	workflows@...r.kernel.org, Security Officers <security@...nel.org>
Subject: Re: CVE-2023-52435: net: prevent mss overflow in skb_segment()

On Wed, Feb 21, 2024 at 10:30:52AM +0100, Vlastimil Babka wrote:
> On 2/20/24 19:06, Greg Kroah-Hartman wrote:
> > The Linux kernel CVE team has assigned CVE-2023-52435 to this issue.
> > 
> > 
> > Affected and fixed versions
> > ===========================
> > 
> > 	Issue introduced in 4.8 with commit 3953c46c3ac7 and fixed in 6.6.11 with commit 95b3904a261a
> > 	Issue introduced in 4.8 with commit 3953c46c3ac7 and fixed in 6.7 with commit 23d05d563b7e
> 
> Hello,
> 
> what is the advice for stable users of versions between 4.19 and 6.1? Are
> they not affected?

They are affected, as the wording here states (and as the json values in
the CVE entry itself show in great detail if you want a machine-parsable
format to use)

The fixes for the other branches are in the next round of -rc kernels to
go out in an hour or so.

thanks,

greg k-h