USN-2269-1: Linux kernel (Quantal HWE) vulnerability
5 July 2014
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
The system could be made to crash or run programs as an administrator.
- linux-lts-quantal - Linux hardware enablement kernel from Quantal
Andy Lutomirski discovered a flaw with the Linux kernel’s ptrace syscall on x86_64 processors. An attacker could exploit this flaw to cause a denial of service (System Crash) or potential gain administrative privileges.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.