USN-3311-1: libnl vulnerability
Ubuntu Security Notice USN-3311-1
6th June, 2017
libnl3 vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
libnl could be made to crash or run programs.
Software description
- 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.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.04:
-
libnl-3-200
3.2.29-0ubuntu2.1
- Ubuntu 16.10:
-
libnl-3-200
3.2.27-1ubuntu0.16.10.1
- Ubuntu 16.04 LTS:
-
libnl-3-200
3.2.27-1ubuntu0.16.04.1
- Ubuntu 14.04 LTS:
-
libnl-3-200
3.2.21-1ubuntu4.1
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
Source: USN-3311-1: libnl vulnerability
