1. Ubuntu Security Notices
  2. USN-319-1

USN-319-1: Linux kernel vulnerability

Publication date

18 July 2006

Overview

Linux kernel vulnerability

Releases

Details

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.

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.

Update instructions

After a standard system upgrade you need to reboot your computer to effect the necessary changes. This flaw affects Ubuntu 5.04 and Ubuntu 5.10 as well; these releases will be fixed shortly in a followup advisory.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
6.06 dapper linux-image-2.6.15-26-hppa32-smp –  2.6.15-26.45
linux-image-2.6.15-26-powerpc64-smp –  2.6.15-26.45
linux-image-2.6.15-26-hppa64 –  2.6.15-26.45
linux-image-2.6.15-26-386 –  2.6.15-26.45
linux-image-2.6.15-26-amd64-xeon –  2.6.15-26.45
linux-image-2.6.15-26-amd64-server –  2.6.15-26.45
linux-image-2.6.15-26-amd64-k8 –  2.6.15-26.45
linux-image-2.6.15-26-hppa64-smp –  2.6.15-26.45
linux-image-2.6.15-26-k7 –  2.6.15-26.45
linux-image-2.6.15-26-server-bigiron –  2.6.15-26.45
linux-image-2.6.15-26-powerpc –  2.6.15-26.45
linux-image-2.6.15-26-mckinley-smp –  2.6.15-26.45
linux-image-2.6.15-26-amd64-generic –  2.6.15-26.45
linux-image-2.6.15-26-server –  2.6.15-26.45
linux-image-2.6.15-26-mckinley –  2.6.15-26.45
linux-image-2.6.15-26-itanium-smp –  2.6.15-26.45
linux-image-2.6.15-26-hppa32 –  2.6.15-26.45
linux-image-2.6.15-26-686 –  2.6.15-26.45
linux-image-2.6.15-26-itanium –  2.6.15-26.45
linux-image-2.6.15-26-powerpc-smp –  2.6.15-26.45
linux-image-2.6.15-26-sparc64 –  2.6.15-26.45
linux-image-2.6.15-26-sparc64-smp –  2.6.15-26.45

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References

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