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=========================================================== Ubuntu Security Notice USN-346-1 September 14, 2006 linux-source-2.6.10/-2.6.12/-2.6.15 vulnerabilities CVE-2006-2934, CVE-2006-2935, CVE-2006-2936, CVE-2006-3468, CVE-2006-3745, CVE-2006-4093, CVE-2006-4145 =========================================================== 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 2.6.10-34.23 linux-image-2.6.10-6-686 2.6.10-34.23 linux-image-2.6.10-6-686-smp 2.6.10-34.23 linux-image-2.6.10-6-amd64-generic 2.6.10-34.23 linux-image-2.6.10-6-amd64-k8 2.6.10-34.23 linux-image-2.6.10-6-amd64-k8-smp 2.6.10-34.23 linux-image-2.6.10-6-amd64-xeon 2.6.10-34.23 linux-image-2.6.10-6-hppa32 2.6.10-34.23 linux-image-2.6.10-6-hppa32-smp 2.6.10-34.23 linux-image-2.6.10-6-hppa64 2.6.10-34.23 linux-image-2.6.10-6-hppa64-smp 2.6.10-34.23 linux-image-2.6.10-6-itanium 2.6.10-34.23 linux-image-2.6.10-6-itanium-smp 2.6.10-34.23 linux-image-2.6.10-6-k7 2.6.10-34.23 linux-image-2.6.10-6-k7-smp 2.6.10-34.23 linux-image-2.6.10-6-mckinley 2.6.10-34.23 linux-image-2.6.10-6-mckinley-smp 2.6.10-34.23 linux-image-2.6.10-6-power3 2.6.10-34.23 linux-image-2.6.10-6-power3-smp 2.6.10-34.23 linux-image-2.6.10-6-power4 2.6.10-34.23 linux-image-2.6.10-6-power4-smp 2.6.10-34.23 linux-image-2.6.10-6-powerpc 2.6.10-34.23 linux-image-2.6.10-6-powerpc-smp 2.6.10-34.23 linux-image-2.6.10-6-sparc64 2.6.10-34.23 linux-image-2.6.10-6-sparc64-smp 2.6.10-34.23 linux-patch-ubuntu-2.6.10 2.6.10-34.23 Ubuntu 5.10: linux-image-2.6.12-10-386 2.6.12-10.39 linux-image-2.6.12-10-686 2.6.12-10.39 linux-image-2.6.12-10-686-smp 2.6.12-10.39 linux-image-2.6.12-10-amd64-generic 2.6.12-10.39 linux-image-2.6.12-10-amd64-k8 2.6.12-10.39 linux-image-2.6.12-10-amd64-k8-smp 2.6.12-10.39 linux-image-2.6.12-10-amd64-xeon 2.6.12-10.39 linux-image-2.6.12-10-hppa32 2.6.12-10.39 linux-image-2.6.12-10-hppa32-smp 2.6.12-10.39 linux-image-2.6.12-10-hppa64 2.6.12-10.39 linux-image-2.6.12-10-hppa64-smp 2.6.12-10.39 linux-image-2.6.12-10-iseries-smp 2.6.12-10.39 linux-image-2.6.12-10-itanium 2.6.12-10.39 linux-image-2.6.12-10-itanium-smp 2.6.12-10.39 linux-image-2.6.12-10-k7 2.6.12-10.39 linux-image-2.6.12-10-k7-smp 2.6.12-10.39 linux-image-2.6.12-10-mckinley 2.6.12-10.39 linux-image-2.6.12-10-mckinley-smp 2.6.12-10.39 linux-image-2.6.12-10-powerpc 2.6.12-10.39 linux-image-2.6.12-10-powerpc-smp 2.6.12-10.39 linux-image-2.6.12-10-powerpc64-smp 2.6.12-10.39 linux-image-2.6.12-10-sparc64 2.6.12-10.39 linux-image-2.6.12-10-sparc64-smp 2.6.12-10.39 linux-patch-ubuntu-2.6.12 2.6.12-10.39 Ubuntu 6.06 LTS: linux-image-2.6.15-26-386 2.6.15-26.47 linux-image-2.6.15-26-686 2.6.15-26.47 linux-image-2.6.15-26-amd64-generic 2.6.15-26.47 linux-image-2.6.15-26-amd64-k8 2.6.15-26.47 linux-image-2.6.15-26-amd64-server 2.6.15-26.47 linux-image-2.6.15-26-amd64-xeon 2.6.15-26.47 linux-image-2.6.15-26-hppa32 2.6.15-26.47 linux-image-2.6.15-26-hppa32-smp 2.6.15-26.47 linux-image-2.6.15-26-hppa64 2.6.15-26.47 linux-image-2.6.15-26-hppa64-smp 2.6.15-26.47 linux-image-2.6.15-26-itanium 2.6.15-26.47 linux-image-2.6.15-26-itanium-smp 2.6.15-26.47 linux-image-2.6.15-26-k7 2.6.15-26.47 linux-image-2.6.15-26-mckinley 2.6.15-26.47 linux-image-2.6.15-26-mckinley-smp 2.6.15-26.47 linux-image-2.6.15-26-powerpc 2.6.15-26.47 linux-image-2.6.15-26-powerpc-smp 2.6.15-26.47 linux-image-2.6.15-26-powerpc64-smp 2.6.15-26.47 linux-image-2.6.15-26-server 2.6.15-26.47 linux-image-2.6.15-26-server-bigiron 2.6.15-26.47 linux-image-2.6.15-26-sparc64 2.6.15-26.47 linux-image-2.6.15-26-sparc64-smp 2.6.15-26.47 linux-source-2.6.15 2.6.15-26.47 After a standard system upgrade you need to reboot your computer to effect the necessary changes. Details follow: A Denial of service vulnerability was reported in iptables' SCTP conntrack module. On computers which use this iptables module, a remote attacker could expoit this to trigger a kernel crash. (CVE-2006-2934) A buffer overflow has been discovered in the dvd_read_bca() function. By inserting a specially crafted DVD, USB stick, or similar automatically mounted removable device, a local user could crash the machine or potentially even execute arbitrary code with full root privileges. (CVE-2006-2935) The ftdi_sio driver for serial USB ports did not limit the amount of pending data to be written. A local user could exploit this to drain all available kernel memory and thus render the system unusable. (CVE-2006-2936) James McKenzie discovered a Denial of Service vulnerability in the NFS driver. When exporting an ext3 file system over NFS, a remote attacker could exploit this to trigger a file system panic by sending a specially crafted UDP packet. (CVE-2006-3468) Wei Wang of McAfee Avert Labs discovered a buffer overflow in the sctp_make_abort_user() function of iptables' SCTP module. On computers which use this module, a local attacker could expoit this to execute arbitrary code with root privileges. (CVE-2006-3745) Olof Johansson discovered that the kernel did not disable the 'HID0' bit on PowerPC 970 processors so that the ATTN instruction was enabled. A local user could exploit this to crash the kernel. This flaw only affects the powerpc architecture. (CVE-2006-4093) The UDF file system does not handle extends larger than 1 GB, but did not check for this restriction on truncating files. A local user could exploit this to crash the kernel. (CVE-2006-4145)