Linux Kernel Vulnerability For Ubuntu 12.04 LTS And 14.04 LTS Have Been Patched
On September 3, details about the minor kernel update for Ubuntu 12.04 LTS and Ubuntu 14.04 LTS has been published by the Canonical immediately, when they informed the Ubuntu users about the existence of important kernel update for their systems.
According to them, only the minor security issue has been fixed, that exist in Linux kernel's key ring subsystem, and because of that attackers can easily target the local attackers to crash the system by using DoS(Denial-of-service) attack.
According to a note by Ubuntu Security Notice USN-2911-1, which is published "The releases of Ubuntu and its derivatives has been affected by the Security issue. Under certain conditions system could be crashed"
Ubuntu 12.04 LTS users have to update their systems as soon as possible. The new kernel version is linux-image-3.2.0-99 (3.2.0-99.139).
To update the Ubuntu 12.04 LTS, just follow some simple steps:
- Software Updater utility is run from the Unity Dash.
- You have to wait for the tool to reload the software repositories and find new updates.
- Press Install button to install all available updates.
- Reboot The system, once when all the updates have been installed.
If any third-party kernel module is installed on your system then you have to rebuild it.