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

USN-3311-2: libnl vulnerability

Publication date

19 June 2017

Overview

libnl could be made to run programs as an administrator.

Releases

Packages

  • 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.

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

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
12.04 precise libnl-3-200 –  3.2.3-2ubuntu2.1

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References

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