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List: ubuntu-security-announce
Subject: [USN-2716-1] Linux kernel vulnerability
From: John Johansen <john.johansen () canonical ! com>
Date: 2015-08-18 1:08:16
Message-ID: 55D28580.6050809 () canonical ! com
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==========================================================================
Ubuntu Security Notice USN-2716-1
August 18, 2015
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:
Marcelo Ricardo Leitner discovered a race condition in the Linux kernel's
SCTP address configuration lists when using Address Configuration Change
(ASCONF) options on a socket. An unprivileged local user could exploit this
flaw 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-3.13.0-62-generic 3.13.0-62.102
linux-image-3.13.0-62-generic-lpae 3.13.0-62.102
linux-image-3.13.0-62-lowlatency 3.13.0-62.102
linux-image-3.13.0-62-powerpc-e500 3.13.0-62.102
linux-image-3.13.0-62-powerpc-e500mc 3.13.0-62.102
linux-image-3.13.0-62-powerpc-smp 3.13.0-62.102
linux-image-3.13.0-62-powerpc64-emb 3.13.0-62.102
linux-image-3.13.0-62-powerpc64-smp 3.13.0-62.102
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. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.
References:
http://www.ubuntu.com/usn/usn-2716-1
CVE-2015-3212
Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-62.102
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