Copy on Write - Dirty COW Kernel bug

[Steve Beattie]

Hi Ian,

On Sat, Oct 22, 2016 at 06:41:30PM +0100, Ian Bruntlett wrote:
> I stumbled across this bug here
> http://www.bbc.co.uk/news/technology-37728010

Security updates were issued for this issue, identified as
CVE-2016-5195, on Thursday, October 18. Specifically, the following
kernels address the issue:

  Ubuntu 12.04 LTS	3.2.0-113.155 	https://www.ubuntu.com/usn/usn-3104-1/
  Ubuntu 14.04 LTS	3.13.0-100.147 	https://www.ubuntu.com/usn/usn-3105-1/
  Ubuntu 16.04 LTS	4.4.0-45.66 	https://www.ubuntu.com/usn/usn-3106-1/
  Ubuntu 16.10		4.8.0-26.28 	https://www.ubuntu.com/usn/usn-3107-1/

as well as the associated derived kernels (e.g. linux-lts-xenial).
Besides being announced in the Ubuntu Security Notices referred to
above, the status for specific CVE can be found in
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5195.html

> First thing I did was quit all my programmes, ran Software Updater and
> rebooted. However, my Kernel wasn't updated (I used the command uname -a to
> check for this). When will the updated Kernel be available from the
> software updates?

It helps to report specific versions that you're seeing, i.e. what
Ubuntu release you're using as well as the kernel version. The uname -a
command can be used, but the contents of /proc/version_signature is a
little more straightforward for identifying the specific version.

Also note that you may need to refresh your apt lists information, either
via update-manager or on the command line via apt-get update.

What are the specific versions you are seeing?

Thanks.

-- 
Steve Beattie
<sbeattie at ubuntu.com>
http://NxNW.org/~steve/
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