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Ubuntu Security Notice USN-3290-1
May 17, 2017

linux vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 14.04 LTS

Summary:

The system could be made to crash under certain conditions.

Software Description:
– linux: Linux kernel

Details:

Marco Grassi discovered that the TCP implementation in the Linux kernel
mishandles socket buffer (skb) truncation. A local attacker could use this
to cause a denial of service (system crash).

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
linux-image-3.13.0-119-generic 3.13.0-119.166
linux-image-3.13.0-119-generic-lpae 3.13.0-119.166
linux-image-3.13.0-119-lowlatency 3.13.0-119.166
linux-image-3.13.0-119-powerpc-e500 3.13.0-119.166
linux-image-3.13.0-119-powerpc-e500mc 3.13.0-119.166
linux-image-3.13.0-119-powerpc-smp 3.13.0-119.166
linux-image-3.13.0-119-powerpc64-smp 3.13.0-119.166
linux-image-generic 3.13.0.119.129
linux-image-generic-lpae 3.13.0.119.129
linux-image-lowlatency 3.13.0.119.129
linux-image-powerpc-e500 3.13.0.119.129
linux-image-powerpc-e500mc 3.13.0.119.129
linux-image-powerpc-smp 3.13.0.119.129
linux-image-powerpc64-smp 3.13.0.119.129

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
http://www.ubuntu.com/usn/usn-3290-1
CVE-2016-8645

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-119.166

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