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List: ubuntu-security-announce
Subject: [USN-3247-1] AppArmor vulnerability
From: Tyler Hicks <tyhicks () canonical ! com>
Date: 2017-03-28 19:24:11
Message-ID: 20170328192410.GA23907 () sec
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==========================================================================
Ubuntu Security Notice USN-3247-1
March 28, 2017
apparmor vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
AppArmor could remove the confinement from some programs.
Software Description:
- apparmor: Linux security system
Details:
Stéphane Graber discovered that AppArmor incorrectly unloaded some profiles
when restarted or upgraded, contrary to expected behavior.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.10:
apparmor 2.10.95-4ubuntu5.3
Ubuntu 16.04 LTS:
apparmor 2.10.95-0ubuntu2.6
Ubuntu 14.04 LTS:
apparmor 2.10.95-0ubuntu2.6~14.04.1
Ubuntu 12.04 LTS:
apparmor 2.7.102-0ubuntu3.11
After a standard system update you need to reboot your computer to make
all the necessary changes.
A new utility, called aa-remove-unknown, was added to assist with profiles that
would have been previously unloaded when AppArmor was restarted or upgraded.
References:
http://www.ubuntu.com/usn/usn-3247-1
CVE-2017-6507
Package Information:
https://launchpad.net/ubuntu/+source/apparmor/2.10.95-4ubuntu5.3
https://launchpad.net/ubuntu/+source/apparmor/2.10.95-0ubuntu2.6
https://launchpad.net/ubuntu/+source/apparmor/2.10.95-0ubuntu2.6~14.04.1
https://launchpad.net/ubuntu/+source/apparmor/2.7.102-0ubuntu3.11
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