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=========================================================== Ubuntu Security Notice USN-347-1 September 18, 2006 linux-source-2.6.10/-2.6.12/-2.6.15 vulnerabilities CVE-2006-4535, CVE-2006-4538 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.04 Ubuntu 5.10 Ubuntu 6.06 LTS 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 2.6.10-34.24 linux-image-2.6.10-6-686 2.6.10-34.24 linux-image-2.6.10-6-686-smp 2.6.10-34.24 linux-image-2.6.10-6-amd64-generic 2.6.10-34.24 linux-image-2.6.10-6-amd64-k8 2.6.10-34.24 linux-image-2.6.10-6-amd64-k8-smp 2.6.10-34.24 linux-image-2.6.10-6-amd64-xeon 2.6.10-34.24 linux-image-2.6.10-6-hppa32 2.6.10-34.24 linux-image-2.6.10-6-hppa32-smp 2.6.10-34.24 linux-image-2.6.10-6-hppa64 2.6.10-34.24 linux-image-2.6.10-6-hppa64-smp 2.6.10-34.24 linux-image-2.6.10-6-itanium 2.6.10-34.24 linux-image-2.6.10-6-itanium-smp 2.6.10-34.24 linux-image-2.6.10-6-k7 2.6.10-34.24 linux-image-2.6.10-6-k7-smp 2.6.10-34.24 linux-image-2.6.10-6-mckinley 2.6.10-34.24 linux-image-2.6.10-6-mckinley-smp 2.6.10-34.24 linux-image-2.6.10-6-power3 2.6.10-34.24 linux-image-2.6.10-6-power3-smp 2.6.10-34.24 linux-image-2.6.10-6-power4 2.6.10-34.24 linux-image-2.6.10-6-power4-smp 2.6.10-34.24 linux-image-2.6.10-6-powerpc 2.6.10-34.24 linux-image-2.6.10-6-powerpc-smp 2.6.10-34.24 linux-image-2.6.10-6-sparc64 2.6.10-34.24 linux-image-2.6.10-6-sparc64-smp 2.6.10-34.24 linux-patch-ubuntu-2.6.10 2.6.10-34.24 Ubuntu 5.10: linux-image-2.6.12-10-386 2.6.12-10.40 linux-image-2.6.12-10-686 2.6.12-10.40 linux-image-2.6.12-10-686-smp 2.6.12-10.40 linux-image-2.6.12-10-amd64-generic 2.6.12-10.40 linux-image-2.6.12-10-amd64-k8 2.6.12-10.40 linux-image-2.6.12-10-amd64-k8-smp 2.6.12-10.40 linux-image-2.6.12-10-amd64-xeon 2.6.12-10.40 linux-image-2.6.12-10-hppa32 2.6.12-10.40 linux-image-2.6.12-10-hppa32-smp 2.6.12-10.40 linux-image-2.6.12-10-hppa64 2.6.12-10.40 linux-image-2.6.12-10-hppa64-smp 2.6.12-10.40 linux-image-2.6.12-10-iseries-smp 2.6.12-10.40 linux-image-2.6.12-10-itanium 2.6.12-10.40 linux-image-2.6.12-10-itanium-smp 2.6.12-10.40 linux-image-2.6.12-10-k7 2.6.12-10.40 linux-image-2.6.12-10-k7-smp 2.6.12-10.40 linux-image-2.6.12-10-mckinley 2.6.12-10.40 linux-image-2.6.12-10-mckinley-smp 2.6.12-10.40 linux-image-2.6.12-10-powerpc 2.6.12-10.40 linux-image-2.6.12-10-powerpc-smp 2.6.12-10.40 linux-image-2.6.12-10-powerpc64-smp 2.6.12-10.40 linux-image-2.6.12-10-sparc64 2.6.12-10.40 linux-image-2.6.12-10-sparc64-smp 2.6.12-10.40 linux-patch-ubuntu-2.6.12 2.6.12-10.40 Ubuntu 6.06 LTS: linux-image-2.6.15-27-386 2.6.15-27.48 linux-image-2.6.15-27-686 2.6.15-27.48 linux-image-2.6.15-27-amd64-generic 2.6.15-27.48 linux-image-2.6.15-27-amd64-k8 2.6.15-27.48 linux-image-2.6.15-27-amd64-server 2.6.15-27.48 linux-image-2.6.15-27-amd64-xeon 2.6.15-27.48 linux-image-2.6.15-27-hppa32 2.6.15-27.48 linux-image-2.6.15-27-hppa32-smp 2.6.15-27.48 linux-image-2.6.15-27-hppa64 2.6.15-27.48 linux-image-2.6.15-27-hppa64-smp 2.6.15-27.48 linux-image-2.6.15-27-itanium 2.6.15-27.48 linux-image-2.6.15-27-itanium-smp 2.6.15-27.48 linux-image-2.6.15-27-k7 2.6.15-27.48 linux-image-2.6.15-27-mckinley 2.6.15-27.48 linux-image-2.6.15-27-mckinley-smp 2.6.15-27.48 linux-image-2.6.15-27-powerpc 2.6.15-27.48 linux-image-2.6.15-27-powerpc-smp 2.6.15-27.48 linux-image-2.6.15-27-powerpc64-smp 2.6.15-27.48 linux-image-2.6.15-27-server 2.6.15-27.48 linux-image-2.6.15-27-server-bigiron 2.6.15-27.48 linux-image-2.6.15-27-sparc64 2.6.15-27.48 linux-image-2.6.15-27-sparc64-smp 2.6.15-27.48 linux-source-2.6.15 2.6.15-27.48 After a standard system upgrade you need to reboot your computer to effect the necessary changes. ATTENTION: Due to an unavoidable ABI change the Ubuntu 6.06 kernel update has been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. If you use linux-restricted-modules, you have to update that package as well to get modules which work with the new kernel version. Unless you manually uninstalled the standard kernel metapackages (linux-386, linux-powerpc, linux-amd64-generic), a standard system upgrade will automatically perform this as well. Details follow: Sridhar Samudrala discovered a local Denial of Service vulnerability in the handling of SCTP sockets. By opening such a socket with a special SO_LINGER value, a local attacker could exploit this to crash the kernel. (CVE-2006-4535) Kirill Korotaev discovered that the ELF loader on the ia64 and sparc platforms did not sufficiently verify the memory layout. By attempting to execute a specially crafted executable, a local user could exploit this to crash the kernel. (CVE-2006-4538)