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:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.