1. Ubuntu Security Notices
  2. USN-3311-1

USN-3311-1: libnl vulnerability

Publication date

6 June 2017

Overview

libnl could be made to crash or run programs.

Releases

Packages

  • libnl3 - library for dealing with netlink sockets

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.04 zesty libnl-3-200 –  3.2.29-0ubuntu2.1
16.10 yakkety libnl-3-200 –  3.2.27-1ubuntu0.16.10.1
16.04 xenial libnl-3-200 –  3.2.27-1ubuntu0.16.04.1
14.04 trusty libnl-3-200 –  3.2.21-1ubuntu4.1

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References

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