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.