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USN-2237-1: Linux kernel (Quantal HWE) vulnerability

5 June 2014

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

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Releases

Packages

Details

Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An
unprivileged local user could exploit this flaw to cause a denial of
service (system crash) or 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-2235-1: linux, linux-image-3.2.0-64-highbank, linux-image-3.2.0-64-powerpc-smp, linux-image-3.2.0-64-generic-pae, linux-image-3.2.0-64-powerpc64-smp, linux-image-3.2.0-64-omap, linux-image-3.2.0-64-generic, linux-image-3.2.0-64-virtual
  • USN-2236-1: linux-ti-omap4, linux-image-3.2.0-1449-omap4
  • USN-2260-1: linux-image-3.13.0-30-generic-lpae, linux-image-3.13.0-30-generic, linux-lts-trusty
  • USN-2240-1: linux, linux-image-extra-3.13.0-29-generic, linux-image-3.13.0-29-powerpc-e500, linux-image-3.13.0-29-powerpc64-emb, linux-image-3.13.0-29-generic-lpae, linux-image-3.13.0-29-powerpc-e500mc, linux-image-3.13.0-29-powerpc64-smp, linux-image-3.13.0-29-lowlatency, linux-image-3.13.0-29-generic, linux-image-3.13.0-29-powerpc-smp
  • USN-2234-1: linux-ec2, linux-image-2.6.32-365-ec2
  • USN-2238-1: linux-lts-raring, linux-image-3.8.0-42-generic
  • USN-2239-1: linux-lts-saucy, linux-image-3.11.0-23-generic, linux-image-3.11.0-23-generic-lpae
  • USN-2233-1: linux, linux-image-2.6.32-61-sparc64-smp, linux-image-2.6.32-61-server, linux-image-2.6.32-61-generic, linux-image-2.6.32-61-generic-pae, linux-image-2.6.32-61-386, linux-image-2.6.32-61-versatile, linux-image-2.6.32-61-lpia, linux-image-2.6.32-61-powerpc-smp, linux-image-2.6.32-61-powerpc64-smp, linux-image-2.6.32-61-sparc64, linux-image-2.6.32-61-ia64, linux-image-2.6.32-61-preempt, linux-image-2.6.32-61-powerpc, linux-image-2.6.32-61-virtual
  • USN-2241-1: linux, linux-image-3.11.0-23-generic, linux-image-3.11.0-23-generic-lpae

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Further reading