USN-2271-1: Linux kernel (Saucy HWE) vulnerability
Ubuntu Security Notice USN-2271-1
5th 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-saucy - Linux hardware enablement kernel from Saucy
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 version:
- Ubuntu 12.04 LTS:
- linux-image-3.11.0-24-generic-lpae 3.11.0-24.42~precise1
- linux-image-3.11.0-24-generic 3.11.0-24.42~precise1
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.