1. Ubuntu Security Notices
  2. USN-2525-1

USN-2525-1: Linux kernel vulnerability

Publication date

12 March 2015

Overview

The system could be made to crash or run programs as an administrator.

Releases

Packages

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.

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

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
10.04 lucid linux-image-2.6.32-73-lpia –  2.6.32-73.141
linux-image-2.6.32-73-powerpc64-smp –  2.6.32-73.141
linux-image-2.6.32-73-generic-pae –  2.6.32-73.141
linux-image-2.6.32-73-sparc64 –  2.6.32-73.141
linux-image-2.6.32-73-generic –  2.6.32-73.141
linux-image-2.6.32-73-virtual –  2.6.32-73.141
linux-image-2.6.32-73-ia64 –  2.6.32-73.141
linux-image-2.6.32-73-powerpc-smp –  2.6.32-73.141
linux-image-2.6.32-73-386 –  2.6.32-73.141
linux-image-2.6.32-73-powerpc –  2.6.32-73.141
linux-image-2.6.32-73-server –  2.6.32-73.141
linux-image-2.6.32-73-versatile –  2.6.32-73.141
linux-image-2.6.32-73-sparc64-smp –  2.6.32-73.141
linux-image-2.6.32-73-preempt –  2.6.32-73.141

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References

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