========================================================================== Ubuntu Security Notice USN-3846-1 December 20, 2018 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-raspi2 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.10 Summary: The system could be made to expose sensitive information. Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-azure: Linux kernel for Microsoft Azure Cloud systems - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-kvm: Linux kernel for cloud environments - linux-raspi2: Linux kernel for Raspberry Pi 2 Details: It was discovered that an integer overflow vulnerability existed in the CDROM driver of the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: linux-image-4.18.0-1005-gcp 4.18.0-1005.6 linux-image-4.18.0-1006-kvm 4.18.0-1006.6 linux-image-4.18.0-1007-aws 4.18.0-1007.9 linux-image-4.18.0-1007-azure 4.18.0-1007.7 linux-image-4.18.0-1008-raspi2 4.18.0-1008.10 linux-image-4.18.0-13-generic 4.18.0-13.14 linux-image-4.18.0-13-generic-lpae 4.18.0-13.14 linux-image-4.18.0-13-lowlatency 4.18.0-13.14 linux-image-4.18.0-13-snapdragon 4.18.0-13.14 linux-image-aws 4.18.0.1007.7 linux-image-azure 4.18.0.1007.8 linux-image-gcp 4.18.0.1005.5 linux-image-generic 4.18.0.13.14 linux-image-generic-lpae 4.18.0.13.14 linux-image-gke 4.18.0.1005.5 linux-image-kvm 4.18.0.1006.6 linux-image-lowlatency 4.18.0.13.14 linux-image-raspi2 4.18.0.1008.5 linux-image-snapdragon 4.18.0.13.14 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. References: https://usn.ubuntu.com/usn/usn-3846-1 CVE-2018-18710 Package Information: https://launchpad.net/ubuntu/+source/linux/4.18.0-13.14 https://launchpad.net/ubuntu/+source/linux-aws/4.18.0-1007.9 https://launchpad.net/ubuntu/+source/linux-azure/4.18.0-1007.7 https://launchpad.net/ubuntu/+source/linux-gcp/4.18.0-1005.6 https://launchpad.net/ubuntu/+source/linux-kvm/4.18.0-1006.6 https://launchpad.net/ubuntu/+source/linux-raspi2/4.18.0-1008.10