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USN-3861-2: PolicyKit vulnerability

16 January 2019

PolicyKit could allow unintended access.



  • policykit-1 - framework for managing administrative policies and privileges


USN-3861-1 fixed a vulnerability in PolicyKit. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that PolicyKit incorrectly handled certain large user
UIDs. A local attacker with a large UID could possibly use this issue to
perform privileged actions.

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.


Related notices

  • USN-3861-1: libpolkit-backend-1-dev, policykit-1-doc, libpolkit-gobject-1-0, libpolkit-gobject-1-dev, gir1.2-polkit-1.0, libpolkit-agent-1-dev, policykit-1, libpolkit-agent-1-0, libpolkit-backend-1-0