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Ubuntu Security Notice USN-3264-1

Ubuntu Security Notice USN-3264-1
Posted Apr 25, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3264-1 - Alexander Popov discovered that a race condition existed in the Stream Control Transmission Protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2017-5986
SHA-256 | 5617bdc6e6c1ccc15c09b9257b1ec4cce82e101317b00bd377fd23662ed06fa8

Ubuntu Security Notice USN-3264-1

Change Mirror Download

==========================================================================
Ubuntu Security Notice USN-3264-1
April 24, 2017

linux vulnerability
==========================================================================

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:

Alexander Popov discovered that a race condition existed in the Stream
Control Transmission Protocol (SCTP) implementation in the Linux kernel. 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-3.13.0-117-generic 3.13.0-117.164
linux-image-3.13.0-117-generic-lpae 3.13.0-117.164
linux-image-3.13.0-117-lowlatency 3.13.0-117.164
linux-image-3.13.0-117-powerpc-e500 3.13.0-117.164
linux-image-3.13.0-117-powerpc-e500mc 3.13.0-117.164
linux-image-3.13.0-117-powerpc-smp 3.13.0-117.164
linux-image-3.13.0-117-powerpc64-smp 3.13.0-117.164
linux-image-generic 3.13.0.117.127
linux-image-generic-lpae 3.13.0.117.127
linux-image-lowlatency 3.13.0.117.127
linux-image-powerpc-e500 3.13.0.117.127
linux-image-powerpc-e500mc 3.13.0.117.127
linux-image-powerpc-smp 3.13.0.117.127
linux-image-powerpc64-smp 3.13.0.117.127

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-3264-1
CVE-2017-5986

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-117.164


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