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USN-2527-1: Linux kernel (Trusty HWE) vulnerability

12 March 2015

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

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04

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

References

Related notices

  • USN-2529-1: linux-image-3.16.0-31-generic-lpae, linux-image-3.16.0-31-generic, linux-image-3.16.0-31-powerpc-smp, linux-image-3.16.0-31-powerpc64-smp, linux-lts-utopic, linux-image-3.16.0-31-powerpc-e500mc, linux-image-3.16.0-31-powerpc64-emb, linux-image-extra-3.16.0-31-generic, linux-image-3.16.0-31-lowlatency
  • USN-2526-1: linux-image-3.2.0-77-generic-pae, linux-image-3.2.0-77-powerpc64-smp, linux-image-3.2.0-77-highbank, linux-image-3.2.0-77-omap, linux, linux-image-3.2.0-77-generic, linux-image-3.2.0-77-powerpc-smp, linux-image-3.2.0-77-virtual
  • USN-2561-1: linux-image-3.2.0-1462-omap4, linux-ti-omap4
  • USN-2530-1: linux-image-3.16.0-31-generic-lpae, linux-image-3.16.0-31-generic, linux-image-3.16.0-31-powerpc-smp, linux-image-3.16.0-31-powerpc64-smp, linux-image-3.16.0-31-powerpc-e500mc, linux, linux-image-3.16.0-31-powerpc64-emb, linux-image-3.16.0-31-lowlatency
  • USN-2525-1: linux-image-2.6.32-73-generic-pae, linux-image-2.6.32-73-server, linux-image-2.6.32-73-powerpc, linux-image-2.6.32-73-generic, linux-image-2.6.32-73-sparc64, linux-image-2.6.32-73-sparc64-smp, linux-image-2.6.32-73-preempt, linux-image-2.6.32-73-versatile, linux, linux-image-2.6.32-73-lpia, linux-image-2.6.32-73-386, linux-image-2.6.32-73-powerpc-smp, linux-image-2.6.32-73-powerpc64-smp, linux-image-2.6.32-73-virtual, linux-image-2.6.32-73-ia64
  • USN-2528-1: linux-image-3.13.0-46-lowlatency, linux-image-3.13.0-46-generic, linux-image-3.13.0-46-powerpc-e500mc, linux, linux-image-3.13.0-46-powerpc64-emb, linux-image-3.13.0-46-powerpc64-smp, linux-image-3.13.0-46-powerpc-smp, linux-image-3.13.0-46-generic-lpae, linux-image-extra-3.13.0-46-generic, linux-image-3.13.0-46-powerpc-e500