USN-2528-1: Linux kernel vulnerability
Ubuntu Security Notice USN-2528-1
12th March, 2015
linux vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary
The system could be made to crash or run programs as an administrator.
Software description
- linux - Linux kernel
Details
It was discovered that the Linux kernel's Infiniband subsystem did not
properly sanitize its input parameters while registering memory regions
from userspace. A local user could exploit this flaw to cause a denial of
service (system crash) or to potentially gain administrative privileges.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 14.04 LTS:
- linux-image-3.13.0-46-generic-lpae 3.13.0-46.79
- linux-image-3.13.0-46-generic 3.13.0-46.79
- linux-image-3.13.0-46-powerpc-e500mc 3.13.0-46.79
- linux-image-3.13.0-46-powerpc-smp 3.13.0-46.79
- linux-image-3.13.0-46-powerpc64-emb 3.13.0-46.79
- linux-image-3.13.0-46-powerpc-e500 3.13.0-46.79
- linux-image-3.13.0-46-powerpc64-smp 3.13.0-46.79
- linux-image-3.13.0-46-lowlatency 3.13.0-46.79
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.