Ubuntu 2646-2: Linux kernel regression
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 14.10: linux-image-3.16.0-41-generic 3.16.0-41.57 linux-image-3.16.0-41-generic-lpae 3.16.0-41.57 linux-image-3.16.0-41-lowlatency 3.16.0-41.57 linux-image-3.16.0-41-powerpc-e500mc 3.16.0-41.57 linux-image-3.16.0-41-powerpc-smp 3.16.0-41.57 linux-image-3.16.0-41-powerpc64-emb 3.16.0-41.57 linux-image-3.16.0-41-powerpc64-smp 3.16.0-41.57 After a standard system update you need to reboot your computer to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-2646-2
https://ubuntu.com/security/notices/USN-2646-1
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1465998
Package Information
https://launchpad.net/ubuntu/+source/linux/3.16.0-41.57