Ubuntu Security Notices
USN-319-2

USN-319-2: Linux kernel vulnerability

Publication date

19 July 2006

Overview

Linux kernel vulnerability

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.

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.

Update instructions

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

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
5.10 breezy	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
5.04 hoary	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

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References

CVE-2006-3626

CVE-2006-3626

USN-319-1

USN-319-1

USN-319-2: Linux kernel vulnerability

Details

Update instructions

Reduce your security exposure

References

Related notices