USN-2413-1: AppArmor vulnerability

20 November 2014

apparmor vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 LTS

Summary

apparmor_parser could allow applications that are confined by AppArmor to gain unintended access to resources.

Software Description

  • apparmor - Linux security system

Details

An AppArmor policy miscompilation flaw was discovered in apparmor_parser. Under certain circumstances, a malicious application could use this flaw to perform operations that are not allowed by AppArmor policy. The flaw may also prevent applications from accessing resources that are allowed by AppArmor policy.

Update instructions

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

Ubuntu 14.04 LTS
apparmor - 2.8.95~2430-0ubuntu5.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References