USN-2526-1: Linux kernel vulnerability
Ubuntu Security Notice USN-2526-1
12th March, 2015
linux vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 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 12.04 LTS:
- linux-image-3.2.0-77-omap 3.2.0-77.114
- linux-image-3.2.0-77-powerpc64-smp 3.2.0-77.114
- linux-image-3.2.0-77-powerpc-smp 3.2.0-77.114
- linux-image-3.2.0-77-generic-pae 3.2.0-77.114
- linux-image-3.2.0-77-generic 3.2.0-77.114
- linux-image-3.2.0-77-virtual 3.2.0-77.114
- linux-image-3.2.0-77-highbank 3.2.0-77.114
To update your system, please follow these instructions: http://bit.ly/1aJDvTw.
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
from Ubuntu Security Notices http://bit.ly/1xfmueV