From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: netdev@vger.kernel.org, stable@vger.kernel.org
Subject: Re: Fixing CVE-2017-16939 in v4.4.y and possibly v3.18.y
Date: Fri, 1 Dec 2017 15:09:23 +0000 [thread overview]
Message-ID: <20171201150923.GA6185@kroah.com> (raw)
In-Reply-To: <20171130183740.GA20343@roeck-us.net>
On Thu, Nov 30, 2017 at 10:37:40AM -0800, Guenter Roeck wrote:
> Hi,
>
> The fix for CVE-2017-16939 has been applied to v4.9.y, but not to v4.4.y
> and older kernels. However, I confirmed that running the published POC
> (see https://blogs.securiteam.com/index.php/archives/3535) does crash a 4.4
> kernel.
>
> I confirmed that the following two patches fix the problem in v4.4.y.
> Please consider applying them to v4.4.y (and possibly v3.18.y).
>
> fc9e50f5a5a4e ("netlink: add a start callback for starting a netlink dump")
> 1137b5e2529a8 ("ipsec: Fix aborted xfrm policy dump crash")
>
> My apologies for the noise if this is already under consideration.
Ah, thanks for this, I had tried this a few times, and asked around, but
missed that just adding the first patch here would solve the issue.
Both are now queued up, thanks for bringing this up again.
greg k-h
next prev parent reply other threads:[~2017-12-01 15:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-30 18:37 Fixing CVE-2017-16939 in v4.4.y and possibly v3.18.y Guenter Roeck
2017-12-01 15:09 ` Greg Kroah-Hartman [this message]
2017-12-01 19:48 ` Michal Kubecek
2017-12-03 0:20 ` Guenter Roeck
2017-12-03 0:44 ` Michal Kubecek
2017-12-04 12:05 ` Greg Kroah-Hartman
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