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=========================================================================
Date: Tue, 25 Oct 2016 05:40:15 -0700
Reply-To: Akemi Yagi <[log in to unmask]>
Sender: Mailing list for Scientific Linux developers worldwide
<[log in to unmask]>
From: Akemi Yagi <[log in to unmask]>
Subject: Re: Cowroot vulnerability
Comments: To: Valentin B <[log in to unmask]>
In-Reply-To: <[log in to unmask]>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="001a11c16282aaefb3053fafd09c"
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--001a11c16282aaefb3053fafd09c
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On Tue, Oct 25, 2016 at 12:48 AM, Valentin B <[log in to unmask]> wrote:
> Hi Akemi,
>
> The fix allows me to run the cow vulnerability but it blocks which is good.
>
> See the following:
>
> DirtyCow root privilege escalation
> Backing up /usr/bin/passwd to /tmp/bak
> Size of binary: 27832
> Racing, this may take a while..
> thread stopped
> thread stopped
(snip)
> So my question is, what has been exactly patched to the recently upstream
> kernel.
Thanks for the detailed note.
Because the source code is available, I did a diff between kernels
3.10.0-327.36.2.el7 and 3.10.0-327.36.3.el7 and am attaching it for
anyone to see.
Akemi
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=========================================================================
Date: Thu, 27 Oct 2016 15:51:11 +0200
Reply-To: Valentin B <[log in to unmask]>
Sender: Mailing list for Scientific Linux developers worldwide
<[log in to unmask]>
From: Valentin B <[log in to unmask]>
Subject: intel i915 driver problems
MIME-Version: 1.0
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protocol="application/pgp-signature";
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--NbU0i7soI7Fc2po0hmu2ej6190WuDOdHB
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protected-headers="v1"
From: Valentin B <[log in to unmask]>
To: "[log in to unmask]"
<[log in to unmask]>
Message-ID: <[log in to unmask]>
Subject: intel i915 driver problems
--HVhpNLrdJa9HRK4cEa84Q1Vmetd6E8tj5
Content-Type: text/plain; charset=utf-8
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Hi,
On a machine with the intel integrated card, more specifically
00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated
Graphics (rev 06)
seem to be some issues with recognizing the monitor properties.
Running `xrandr` the following output is displayed:
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1024 x 768, current 1024 x 768, maximum 1024 x 768
default connected primary 1024x768+0+0 0mm x 0mm
1024x768 76.00*
I've managed to solve the problem using the following steps as also
explained here:
http://www.linuxquestions.org/questions/centos-111/cannot-change-screen-r=
esolution-on-unknown-display-in-centos7-4175583712/
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm=
yum install yum-plugin-fastestmirror
yum --enablerepo=3Delrepo-kernel install kernel-ml
I actually would like to avoid using kernel-ml since this doesn't
provide any warranty concerning security and system stability in
general. Has anyone been able to solve the problem differently?
Thanks!
--=20
Valentin Bajrami
Kapteyn Astronomical Institute
University of Groningen
Postbus 800
NL-9700 AV Groningen
The Netherlands
Phone: +31-(0)50-3634068
PGP Fingerprint: 50D7 E233 C2E0 1C81 BB7F F8D8 E51B CF89 A52E 5271
--HVhpNLrdJa9HRK4cEa84Q1Vmetd6E8tj5--
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=========================================================================
Date: Thu, 27 Oct 2016 08:54:23 -0500
Reply-To: Pat Riehecky <[log in to unmask]>
Sender: Mailing list for Scientific Linux developers worldwide
<[log in to unmask]>
From: Pat Riehecky <[log in to unmask]>
Subject: Re: intel i915 driver problems
Comments: To: Valentin B <[log in to unmask]>
In-Reply-To: <[log in to unmask]>
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"; format=flowed
Content-Transfer-Encoding: 7bit
Message-ID: <[log in to unmask]>
Might this be related? https://bugzilla.redhat.com/show_bug.cgi?id=1306841
On 10/27/2016 08:51 AM, Valentin B wrote:
> Hi,
>
> On a machine with the intel integrated card, more specifically
>
> 00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated
> Graphics (rev 06)
>
> seem to be some issues with recognizing the monitor properties.
>
> Running `xrandr` the following output is displayed:
>
> xrandr: Failed to get size of gamma for output default
> Screen 0: minimum 1024 x 768, current 1024 x 768, maximum 1024 x 768
> default connected primary 1024x768+0+0 0mm x 0mm
> 1024x768 76.00*
>
>
> I've managed to solve the problem using the following steps as also
> explained here:
> http://www.linuxquestions.org/questions/centos-111/cannot-change-screen-resolution-on-unknown-display-in-centos7-4175583712/
>
>
> rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
> rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm
> yum install yum-plugin-fastestmirror
> yum --enablerepo=elrepo-kernel install kernel-ml
>
>
> I actually would like to avoid using kernel-ml since this doesn't
> provide any warranty concerning security and system stability in
> general. Has anyone been able to solve the problem differently?
>
> Thanks!
=========================================================================
Date: Thu, 27 Oct 2016 15:56:22 +0200
Reply-To: Valentin B <[log in to unmask]>
Sender: Mailing list for Scientific Linux developers worldwide
<[log in to unmask]>
From: Valentin B <[log in to unmask]>
Subject: Re: intel i915 driver problems
Comments: To: Pat Riehecky <[log in to unmask]>
In-Reply-To: <[log in to unmask]>
MIME-Version: 1.0
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protocol="application/pgp-signature";
boundary="axUUDNW1S7Rr7mKInPw15mnp8OwLi7Q9A"
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--axUUDNW1S7Rr7mKInPw15mnp8OwLi7Q9A
Content-Type: multipart/mixed; boundary="O5JOGq0kEWwJ0p5ejqw59P2GTe0SUhImp";
protected-headers="v1"
From: Valentin B <[log in to unmask]>
To: Pat Riehecky <[log in to unmask]>, [log in to unmask]
Message-ID: <[log in to unmask]>
Subject: Re: [SCIENTIFIC-LINUX-DEVEL] intel i915 driver problems
References: <[log in to unmask]>
<[log in to unmask]>
In-Reply-To: <[log in to unmask]>
--O5JOGq0kEWwJ0p5ejqw59P2GTe0SUhImp
Content-Type: text/plain; charset=utf-8
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Hi Pat,
This is exactly the same problem I'm experiencing. I'll have to wait
till 7.3 is pushed out then. Thanks for your quick response.
Valentin
On 10/27/2016 03:54 PM, Pat Riehecky wrote:
> Might this be related? https://bugzilla.redhat.com/show_bug.cgi?id=3D13=
06841
>=20
> On 10/27/2016 08:51 AM, Valentin B wrote:
>> Hi,
>>
>> On a machine with the intel integrated card, more specifically
>>
>> 00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrat=
ed
>> Graphics (rev 06)
>>
>> seem to be some issues with recognizing the monitor properties.
>>
>> Running `xrandr` the following output is displayed:
>>
>> xrandr: Failed to get size of gamma for output default
>> Screen 0: minimum 1024 x 768, current 1024 x 768, maximum 1024 x 768
>> default connected primary 1024x768+0+0 0mm x 0mm
>> 1024x768 76.00*
>>
>>
>> I've managed to solve the problem using the following steps as also
>> explained here:
>> http://www.linuxquestions.org/questions/centos-111/cannot-change-scree=
n-resolution-on-unknown-display-in-centos7-4175583712/
>>
>>
>>
>> rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
>> rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.=
rpm
>> yum install yum-plugin-fastestmirror
>> yum --enablerepo=3Delrepo-kernel install kernel-ml
>>
>>
>> I actually would like to avoid using kernel-ml since this doesn't
>> provide any warranty concerning security and system stability in
>> general. Has anyone been able to solve the problem differently?
>>
>> Thanks!
--=20
Valentin Bajrami
Kapteyn Astronomical Institute
University of Groningen
Postbus 800
NL-9700 AV Groningen
The Netherlands
Phone: +31-(0)50-3634068
PGP Fingerprint: 50D7 E233 C2E0 1C81 BB7F F8D8 E51B CF89 A52E 5271
--O5JOGq0kEWwJ0p5ejqw59P2GTe0SUhImp--
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