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USN-319-2: Linux kernel vulnerability

19 July 2006

Linux kernel vulnerability

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Releases

Details

USN-319-1 fixed a Linux kernel vulnerability in Ubuntu 6.06 LTS. This
followup advisory provides the corresponding updates for Ubuntu 5.04
and 5.10.

For reference, these are the details of the original USN:

A race condition has been discovered in the file permission handling
of the /proc file system. A local attacker could exploit this to
execute arbitrary code with full root 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 5.10
  • linux-image-2.6.12-10-powerpc-smp - 2.6.12-10.36
  • linux-patch-ubuntu-2.6.12 - 2.6.12-10.36
  • linux-image-2.6.12-10-hppa32 - 2.6.12-10.36
  • linux-image-2.6.12-10-itanium-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-sparc64 - 2.6.12-10.36
  • linux-image-2.6.12-10-powerpc64-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-hppa64-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-amd64-generic - 2.6.12-10.36
  • linux-image-2.6.12-10-iseries-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-k7-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-amd64-xeon - 2.6.12-10.36
  • linux-image-2.6.12-10-itanium - 2.6.12-10.36
  • linux-image-2.6.12-10-hppa32-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-powerpc - 2.6.12-10.36
  • linux-image-2.6.12-10-mckinley - 2.6.12-10.36
  • linux-image-2.6.12-10-sparc64-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-hppa64 - 2.6.12-10.36
  • linux-image-2.6.12-10-amd64-k8-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-686 - 2.6.12-10.36
  • linux-image-2.6.12-10-686-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-k7 - 2.6.12-10.36
  • linux-image-2.6.12-10-mckinley-smp - 2.6.12-10.36
  • linux-image-2.6.12-10-386 - 2.6.12-10.36
  • linux-image-2.6.12-10-amd64-k8 - 2.6.12-10.36
Ubuntu 5.04
  • linux-patch-ubuntu-2.6.10 - 2.6.10-34.22
  • linux-image-2.6.10-6-686 - 2.6.10-34.22
  • linux-image-2.6.10-6-powerpc - 2.6.10-34.22
  • linux-image-2.6.10-6-itanium - 2.6.10-34.22
  • linux-image-2.6.10-6-power4-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-sparc64-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-hppa64-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-power3-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-hppa32-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-386 - 2.6.10-34.22
  • linux-image-2.6.10-6-hppa32 - 2.6.10-34.22
  • linux-image-2.6.10-6-sparc64 - 2.6.10-34.22
  • linux-image-2.6.10-6-hppa64 - 2.6.10-34.22
  • linux-image-2.6.10-6-amd64-xeon - 2.6.10-34.22
  • linux-image-2.6.10-6-itanium-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-powerpc-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-k7-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-power3 - 2.6.10-34.22
  • linux-image-2.6.10-6-k7 - 2.6.10-34.22
  • linux-image-2.6.10-6-power4 - 2.6.10-34.22
  • linux-image-2.6.10-6-mckinley - 2.6.10-34.22
  • linux-image-2.6.10-6-686-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-amd64-k8-smp - 2.6.10-34.22
  • linux-image-2.6.10-6-amd64-generic - 2.6.10-34.22
  • linux-image-2.6.10-6-amd64-k8 - 2.6.10-34.22
  • linux-image-2.6.10-6-mckinley-smp - 2.6.10-34.22

After a standard system upgrade you need to reboot your computer to
effect the necessary changes.

References

Related notices

  • USN-319-1: linux-image-2.6.15-26-hppa64, linux-image-2.6.15-26-powerpc64-smp, linux-image-2.6.15-26-server-bigiron, linux-image-2.6.15-26-k7, linux-image-2.6.15-26-itanium-smp, linux-image-2.6.15-26-386, linux-image-2.6.15-26-itanium, linux-image-2.6.15-26-sparc64, linux-image-2.6.15-26-hppa32-smp, linux-image-2.6.15-26-amd64-generic, linux-image-2.6.15-26-server, linux-image-2.6.15-26-hppa32, linux-image-2.6.15-26-powerpc, linux-image-2.6.15-26-mckinley-smp, linux-image-2.6.15-26-amd64-k8, linux-image-2.6.15-26-mckinley, linux-image-2.6.15-26-hppa64-smp, linux-image-2.6.15-26-powerpc-smp, linux-image-2.6.15-26-amd64-xeon, linux-image-2.6.15-26-sparc64-smp, linux-image-2.6.15-26-686, linux-image-2.6.15-26-amd64-server