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USN-2268-1: Linux kernel vulnerability

5 July 2014

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

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Releases

Packages

Details

Andy Lutomirski discovered a flaw with the Linux kernel's ptrace syscall on
x86_64 processors. An attacker could exploit this flaw to cause a denial of
service (System Crash) or potential 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-2270-1: linux-lts-raring, linux-image-3.8.0-42-generic
  • USN-2274-1: linux, linux-image-3.13.0-30-lowlatency, linux-image-3.13.0-30-generic-lpae, linux-image-3.13.0-30-powerpc64-smp, linux-image-3.13.0-30-powerpc-smp, linux-image-3.13.0-30-generic, linux-image-3.13.0-30-powerpc-e500, linux-image-3.13.0-30-powerpc64-emb, linux-image-extra-3.13.0-30-generic, linux-image-3.13.0-30-powerpc-e500mc
  • USN-2266-1: linux, linux-image-2.6.32-62-virtual, linux-image-2.6.32-62-sparc64, linux-image-2.6.32-62-generic-pae, linux-image-2.6.32-62-versatile, linux-image-2.6.32-62-powerpc, linux-image-2.6.32-62-generic, linux-image-2.6.32-62-lpia, linux-image-2.6.32-62-ia64, linux-image-2.6.32-62-powerpc-smp, linux-image-2.6.32-62-386, linux-image-2.6.32-62-server, linux-image-2.6.32-62-powerpc64-smp, linux-image-2.6.32-62-preempt, linux-image-2.6.32-62-sparc64-smp
  • USN-2269-1: linux-image-3.5.0-52-generic, linux-lts-quantal
  • USN-2271-1: linux-lts-saucy, linux-image-3.11.0-24-generic-lpae, linux-image-3.11.0-24-generic
  • USN-2272-1: linux-image-3.13.0-30-generic-lpae, linux-image-3.13.0-30-generic, linux-lts-trusty
  • USN-2267-1: linux-ec2, linux-image-2.6.32-366-ec2
  • USN-2273-1: linux, linux-image-3.11.0-24-generic-lpae, linux-image-3.11.0-24-generic
  • USN-2284-1: linux-ti-omap4, linux-image-3.2.0-1451-omap4

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