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Sicherheit: Mangelnde Rechteprüfung in cgmanager
Aktuelle Meldungen Distributionen
Name: Mangelnde Rechteprüfung in cgmanager
ID: USN-2451-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 14.10
Datum: Di, 6. Januar 2015, 09:43
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1425

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-2451-1
January 06, 2015

cgmanager vulnerability
==========================================================================

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS

Summary:

cgmanager could be made to expose sensitive information or devices to
containers running on the system.

Software Description:
- cgmanager: Central cgroup manager daemon

Details:

Serge Hallyn discovered that cgmanager did not consistently enforce
proper nesting when modifying cgroup properties. A local attacker in a
privileged container could use this to set cgroup values for all cgroups.

Update instructions:

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

Ubuntu 14.10:
cgmanager 0.32-4ubuntu1.1

Ubuntu 14.04 LTS:
cgmanager 0.24-0ubuntu7.1

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

References:
http://www.ubuntu.com/usn/usn-2451-1
CVE-2014-1425

Package Information:
https://launchpad.net/ubuntu/+source/cgmanager/0.32-4ubuntu1.1
https://launchpad.net/ubuntu/+source/cgmanager/0.24-0ubuntu7.1


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