[CentOS] RES: CVE-2016-5195 “DirtyCOW”: Critical Linux Kernel Flaw

Tue Nov 1 08:48:36 UTC 2016
Leonardo Oliveira Ortiz <leonardo.ortiz at marisolsa.com>

RedHat and Centos 4.x can be explored by this flaw?

-----Mensagem original-----
De: centos-bounces at centos.org [mailto:centos-bounces at centos.org] Em nome de Valeri Galtsev
Enviada em: sexta-feira, 28 de outubro de 2016 12:50
Para: CentOS mailing list <centos at centos.org>
Assunto: Re: [CentOS] CVE-2016-5195 “DirtyCOW”: Critical Linux Kernel Flaw

On Fri, October 28, 2016 9:43 am, Johnny Hughes wrote:
> On 10/22/2016 07:49 PM, Valeri Galtsev wrote:
>> Dear All,
>> I guess, we all have to urgently apply workaround, following, say, this:
>> https://gryzli.info/2016/10/21/protect-cve-2016-5195-dirtycow-centos-
>> 7rhel7cpanelcloudlinux/
>> At least those of us who still have important multi user machines 
>> running Linux. (Yes, me too, I do have a couple, thank goodness, the 
>> rest are already not ;-)
>> Have a productive weekend, everybody.
>> Valeri
> And to close the book on this CVE, I just pushed the CentOS-5.11 
> kernel to fix this issue as well:
> kernel-2.6.18-416.el5

Johnny, thanks a lot!!

(even though on my most ancient venerable couple of boxes still running CentOS 5 users can not execute anything of their own, so the boxes are immune to hack from inside, is still gives one great feeling to have kernel patched).

Thanks again for the great job you, guys are doing!


> So, the only thing we still have to release is a fixed kernel for the
> aarch64 AltArch SIG.  And we are building a test kernel for that right 
> now.
> ppc64le, ppc64, i686, arm32 for CentOS-7 .. and all released arches 
> for
> CentOS-5 and CentOS-6 ... now all have updates released.
> Thanks,
> Johnny Hughes
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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago
Phone: 773-702-4247
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