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

12 June 2012

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

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.

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 10.04

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

References

Related notices

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