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Date: Fri, 23 Dec 2022 17:21:29 +0100
From: Marcus Meissner <meissner@...e.de>
To: oss-security@...ts.openwall.com
Subject: Re: Details on this supposed Linux Kernel ksmbd RCE

Hi,

Mitre has assigned following CVEs, also torvalds mainline commits:

ZDI-22-1687 - CVE-2022-47941
	aa7253c2393f6dcd6a1468b0792f6da76edad917
ZDI-22-1688 - CVE-2022-47942
	8f0541186e9ad1b62accc9519cc2b7a7240272a7
ZDI-22-1689 - CVE-2022-47938
	824d4f64c20093275f72fc8101394d75ff6a249e
ZDI-22-1690 - CVE-2022-47939
	a54c509c32adba9d136f2b9d6a075e8cae1b6d27
ZDI-22-1691 - CVE-2022-47940
	158a66b245739e15858de42c0ba60fcf3de9b8e6

Mitre assigned also from the stable patch, but was not in ZDI set - CVE-2022-47943
	ac60778b87e45576d7bfdbd6f53df902654e6f09

	(I did not request that in my batch, Mitre seemed to have
	picked this from the stable patch.)

I mistakenly declared 5.13-5.19 affectedness to Mitre in a hurry,
but it is more 5.15 - 5.18.x / 5.19.x

Ciao, Marcus


On Thu, Dec 22, 2022 at 04:49:04PM -0500, Jan Schaumann wrote:
> Josh Bressers <josh@...ss.net> wrote:
>  
> > I was wondering if anyone on the list has additional details about this ZDI
> > advisory
> > https://www.zerodayinitiative.com/advisories/ZDI-22-1690/
> > 
> > There aren't many usable details at the moment
> 
> Agreed.
> 
> The advisories link to a changelog in
> https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61
> but it's unclear (to me) whether that implies v6.x
> kernels are not affected?
> 
> Note also that this disclosure is accompanied by a few
> others:
> 
> Authenticated remote information disclosure:
> https://www.zerodayinitiative.com/advisories/ZDI-22-1691/
> 
> Unauthenticated remote DoS:
> https://www.zerodayinitiative.com/advisories/ZDI-22-1687/
> 
> Authenticated RCE:
> https://www.zerodayinitiative.com/advisories/ZDI-22-1688/
> 
> Authenticated DoS:
> https://www.zerodayinitiative.com/advisories/ZDI-22-1689/
> 
> Lastly, given that this is a coordinated disclosure,
> I don't know why there are no CVE IDs reserved for
> these.
> 
> -Jan

-- 
Marcus Meissner (he/him), Distinguished Engineer / Senior Project Manager Security
SUSE Software Solutions Germany GmbH, Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Martje Boudien Moerman, HRB 36809, AG Nuernberg

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