USN-3311-2: libnl vulnerability

Ubuntu Security Notice USN-3311-2

19th June, 2017

libnl3 vulnerability

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

Ubuntu 12.04 LTS

Summary

libnl could be made to run programs as an administrator.

Software description

libnl3
– library for dealing with netlink sockets

Details

USN-3311-1 fixed a vulnerability in libnl. This update provides the
corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that libnl incorrectly handled memory when performing
certain operations. A local attacker could possibly use this issue to cause
libnl to crash, resulting in a denial of service, or execute arbitrary
code.

Update instructions

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

Ubuntu 12.04 LTS:: libnl-3-200

3.2.3-2ubuntu2.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2017-0553

Source: USN-3311-2: libnl vulnerability

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