USN-1469-1: Linux kernel (EC2) vulnerability

12 June 2012

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

Releases

Packages

  • linux-ec2 - Linux kernel for EC2

Details

Schacher Raindel discovered a flaw in the Linux kernel's memory handling
when hugetlb is enabled. An unprivileged local attacker could exploit this
flaw to cause a denial of service and potentially gain higher privileges.

Update instructions

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

Ubuntu 10.04

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

References

Related notices

  • USN-1470-1: linux-image-2.6.38-15-generic, linux-lts-backport-natty, linux-image-2.6.38-15-server, linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-generic-pae
  • USN-1457-1: linux, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-server, linux-image-2.6.38-15-powerpc-smp, linux-image-2.6.38-15-powerpc64-smp, linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-versatile
  • USN-1476-1: linux-ti-omap4, linux-image-3.0.0-1211-omap4
  • USN-1471-1: linux-image-3.0.0-21-server, linux-lts-backport-oneiric, linux-image-3.0.0-21-generic, linux-image-3.0.0-21-virtual, linux-image-3.0.0-21-generic-pae
  • USN-1472-1: linux-image-3.0.0-21-server, linux, linux-image-3.0.0-21-generic, linux-image-3.0.0-21-omap, linux-image-3.0.0-21-virtual, linux-image-3.0.0-21-generic-pae, linux-image-3.0.0-21-powerpc, linux-image-3.0.0-21-powerpc-smp, linux-image-3.0.0-21-powerpc64-smp
  • USN-1474-1: linux-image-3.2.0-1414-omap4, linux-ti-omap4
  • USN-1473-1: linux-image-3.2.0-25-powerpc-smp, linux, linux-image-3.2.0-25-generic, linux-image-3.2.0-25-omap, linux-image-3.2.0-25-generic-pae, linux-image-3.2.0-25-virtual, linux-image-3.2.0-25-powerpc64-smp, linux-image-3.2.0-25-highbank
  • USN-1468-1: linux-image-2.6.32-41-sparc64, linux, linux-image-2.6.32-41-sparc64-smp, linux-image-2.6.32-41-ia64, linux-image-2.6.32-41-lpia, linux-image-2.6.32-41-powerpc64-smp, linux-image-2.6.32-41-versatile, linux-image-2.6.32-41-generic-pae, linux-image-2.6.32-41-server, linux-image-2.6.32-41-powerpc, linux-image-2.6.32-41-generic, linux-image-2.6.32-41-386, linux-image-2.6.32-41-virtual, linux-image-2.6.32-41-preempt, linux-image-2.6.32-41-powerpc-smp