Ubuntu 14.10 Has Received A New Kernel. Upgrade Now.

Hello Linux Geeksters. Due to some vulnerabilities found on Ubuntu 14.10 Utopic Unicorn, Canonical has updated the system’s kernel to Kernel 3.16.0-29.39.

Ubuntu 14.10 Has Received A New Kernel. Upgrade Now.

From the release notes:

“A race condition with MMIO and PIO transactions in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service (guest OS crash) via a specially crafted application,”

Unfortunately, the ABI has been changed an so, the kernel packages have a new version number, so all the third party kernel modules you might have installed need to be recompiled. Also, the linux-restricted-modules have to be reinstalled, but it is available via the official repositories.

So, to receive the upgrade, do:

$ sudo apt-get update
$ sudo apt-get dist-upgrade
$ sudo apt-get install linux-restricted-modules

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