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USN-3311-2: libnl vulnerability

19 June 2017

libnl could be made to run programs as an administrator.

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04

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

References

Related notices

  • USN-3311-1: libnl-genl-3-200, libnl-cli-3-200, libnl-route-3-dev, libnl-nf-3-200, libnl-xfrm-3-dev, libnl-idiag-3-dev, libnl-idiag-3-200, libnl-route-3-200, libnl-genl-3-200-udeb, libnl-nf-3-dev, libnl-xfrm-3-200, libnl-3-200-udeb, libnl-3-200, libnl-utils, libnl-genl-3-dev, libnl3, libnl-3-dev, libnl-cli-3-dev