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=========================================================== Ubuntu Security Notice USN-319-2 July 19, 2006 linux-source-2.6.10, linux-source-2.6.12 vulnerability CVE-2006-3626 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.04 Ubuntu 5.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 5.04: linux-image-2.6.10-6-386 2.6.10-34.22 linux-image-2.6.10-6-686 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-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-amd64-k8-smp 2.6.10-34.22 linux-image-2.6.10-6-amd64-xeon 2.6.10-34.22 linux-image-2.6.10-6-hppa32 2.6.10-34.22 linux-image-2.6.10-6-hppa32-smp 2.6.10-34.22 linux-image-2.6.10-6-hppa64 2.6.10-34.22 linux-image-2.6.10-6-hppa64-smp 2.6.10-34.22 linux-image-2.6.10-6-itanium 2.6.10-34.22 linux-image-2.6.10-6-itanium-smp 2.6.10-34.22 linux-image-2.6.10-6-k7 2.6.10-34.22 linux-image-2.6.10-6-k7-smp 2.6.10-34.22 linux-image-2.6.10-6-mckinley 2.6.10-34.22 linux-image-2.6.10-6-mckinley-smp 2.6.10-34.22 linux-image-2.6.10-6-power3 2.6.10-34.22 linux-image-2.6.10-6-power3-smp 2.6.10-34.22 linux-image-2.6.10-6-power4 2.6.10-34.22 linux-image-2.6.10-6-power4-smp 2.6.10-34.22 linux-image-2.6.10-6-powerpc 2.6.10-34.22 linux-image-2.6.10-6-powerpc-smp 2.6.10-34.22 linux-image-2.6.10-6-sparc64 2.6.10-34.22 linux-image-2.6.10-6-sparc64-smp 2.6.10-34.22 linux-patch-ubuntu-2.6.10 2.6.10-34.22 Ubuntu 5.10: linux-image-2.6.12-10-386 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-amd64-generic 2.6.12-10.36 linux-image-2.6.12-10-amd64-k8 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-amd64-xeon 2.6.12-10.36 linux-image-2.6.12-10-hppa32 2.6.12-10.36 linux-image-2.6.12-10-hppa32-smp 2.6.12-10.36 linux-image-2.6.12-10-hppa64 2.6.12-10.36 linux-image-2.6.12-10-hppa64-smp 2.6.12-10.36 linux-image-2.6.12-10-iseries-smp 2.6.12-10.36 linux-image-2.6.12-10-itanium 2.6.12-10.36 linux-image-2.6.12-10-itanium-smp 2.6.12-10.36 linux-image-2.6.12-10-k7 2.6.12-10.36 linux-image-2.6.12-10-k7-smp 2.6.12-10.36 linux-image-2.6.12-10-mckinley 2.6.12-10.36 linux-image-2.6.12-10-mckinley-smp 2.6.12-10.36 linux-image-2.6.12-10-powerpc 2.6.12-10.36 linux-image-2.6.12-10-powerpc-smp 2.6.12-10.36 linux-image-2.6.12-10-powerpc64-smp 2.6.12-10.36 linux-image-2.6.12-10-sparc64 2.6.12-10.36 linux-image-2.6.12-10-sparc64-smp 2.6.12-10.36 linux-patch-ubuntu-2.6.12 2.6.12-10.36 After a standard system upgrade you need to reboot your computer to effect the necessary changes. Details follow: 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.