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Ubuntu Security Notice USN-3250-1

Ubuntu Security Notice USN-3250-1
Posted Mar 30, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3250-1 - It was discovered that the xfrm framework for transforming packets in the Linux kernel did not properly validate data received from user space. A local attacker could use this to cause a denial of service or execute arbitrary code with administrative privileges.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-7184
MD5 | 43a1b2cd1fe7d604c361bd87d0271815

Ubuntu Security Notice USN-3250-1

Change Mirror Download

==========================================================================
Ubuntu Security Notice USN-3250-1
March 29, 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 or run programs as an administrator.

Software Description:
- linux: Linux kernel

Details:

It was discovered that the xfrm framework for transforming packets in the
Linux kernel did not properly validate data received from user space. A
local attacker could use this to cause a denial of service (system crash)
or execute arbitrary code with administrative privileges.

Update instructions:

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

Ubuntu 14.04 LTS:
linux-image-3.13.0-115-generic 3.13.0-115.162
linux-image-3.13.0-115-generic-lpae 3.13.0-115.162
linux-image-3.13.0-115-lowlatency 3.13.0-115.162
linux-image-3.13.0-115-powerpc-e500 3.13.0-115.162
linux-image-3.13.0-115-powerpc-e500mc 3.13.0-115.162
linux-image-3.13.0-115-powerpc-smp 3.13.0-115.162
linux-image-3.13.0-115-powerpc64-smp 3.13.0-115.162
linux-image-generic 3.13.0.115.125
linux-image-generic-lpae 3.13.0.115.125
linux-image-lowlatency 3.13.0.115.125
linux-image-powerpc-e500 3.13.0.115.125
linux-image-powerpc-e500mc 3.13.0.115.125
linux-image-powerpc-smp 3.13.0.115.125
linux-image-powerpc64-smp 3.13.0.115.125

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-3250-1
CVE-2017-7184

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-115.162


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