Ubuntu 4578-1: Linux kernel vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: linux-image-4.15.0-1057-oracle 4.15.0-1057.62 linux-image-4.15.0-1072-gke 4.15.0-1072.76 linux-image-4.15.0-1073-raspi2 4.15.0-1073.78 linux-image-4.15.0-1077-kvm 4.15.0-1077.79 linux-image-4.15.0-1086-aws 4.15.0-1086.91 linux-image-4.15.0-1086-gcp 4.15.0-1086.98 linux-image-4.15.0-1089-snapdragon 4.15.0-1089.98 linux-image-4.15.0-1099-azure 4.15.0-1099.110 linux-image-4.15.0-1099-oem 4.15.0-1099.109 linux-image-4.15.0-121-generic 4.15.0-121.123 linux-image-4.15.0-121-generic-lpae 4.15.0-121.123 linux-image-4.15.0-121-lowlatency 4.15.0-121.123 linux-image-aws-lts-18.04 4.15.0.1086.88 linux-image-azure-lts-18.04 4.15.0.1099.72 linux-image-gcp-lts-18.04 4.15.0.1086.104 linux-image-generic 4.15.0.121.108 linux-image-generic-lpae 4.15.0.121.108 linux-image-gke 4.15.0.1072.76 linux-image-gke-4.15 4.15.0.1072.76 linux-image-kvm 4.15.0.1077.73 linux-image-lowlatency 4.15.0.121.108 linux-image-oem 4.15.0.1099.103 linux-image-oracle-lts-18.04 4.15.0.1057.67 linux-image-powerpc-e500mc 4.15.0.121.108 linux-image-powerpc-smp 4.15.0.121.108 linux-image-powerpc64-emb 4.15.0.121.108 linux-image-powerpc64-smp 4.15.0.121.108 linux-image-raspi2 4.15.0.1073.70 linux-image-snapdragon 4.15.0.1089.92 linux-image-virtual 4.15.0.121.108 Ubuntu 16.04 LTS: linux-image-4.15.0-1056-oracle 4.15.0-1056.61~16.04.1 linux-image-4.15.0-1085-aws 4.15.0-1085.90~16.04.1 linux-image-4.15.0-1086-gcp 4.15.0-1086.98~16.04.1 linux-image-4.15.0-1098-azure 4.15.0-1098.109~16.04.1 linux-image-4.15.0-120-generic 4.15.0-120.122~16.04.1 linux-image-4.15.0-120-generic-lpae 4.15.0-120.122~16.04.1 linux-image-4.15.0-120-lowlatency 4.15.0-120.122~16.04.1 linux-image-aws-hwe 4.15.0.1085.81 linux-image-azure 4.15.0.1098.92 linux-image-gcp 4.15.0.1086.87 linux-image-generic-hwe-16.04 4.15.0.120.121 linux-image-generic-lpae-hwe-16.04 4.15.0.120.121 linux-image-gke 4.15.0.1086.87 linux-image-lowlatency-hwe-16.04 4.15.0.120.121 linux-image-oem 4.15.0.120.121 linux-image-oracle 4.15.0.1056.46 linux-image-virtual-hwe-16.04 4.15.0.120.121 Ubuntu 14.04 ESM: linux-image-4.15.0-1098-azure 4.15.0-1098.109~14.04.1 linux-image-azure 4.15.0.1098.74 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://ubuntu.com/security/notices/USN-4578-1
CVE-2018-10322, CVE-2019-19448, CVE-2020-14314, CVE-2020-16119,
CVE-2020-16120, CVE-2020-25212, CVE-2020-26088
Package Information
https://launchpad.net/ubuntu/+source/linux/4.15.0-121.123 https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1086.91 https://launchpad.net/ubuntu/+source/linux-azure-4.15/4.15.0-1099.110 https://launchpad.net/ubuntu/+source/linux-gcp-4.15/4.15.0-1086.98 https://launchpad.net/ubuntu/+source/linux-gke-4.15/4.15.0-1072.76 https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1077.79 https://launchpad.net/ubuntu/+source/linux-oem/4.15.0-1099.109 https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1057.62 https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1073.78 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.15.0-1089.98 https://launchpad.net/ubuntu/+source/linux-aws-hwe/4.15.0-1085.90~16.04.1 https://launchpad.net/ubuntu/+source/linux-azure/4.15.0-1098.109~16.04.1 https://launchpad.net/ubuntu/+source/linux-gcp/4.15.0-1086.98~16.04.1 https://launchpad.net/ubuntu/+source/linux-hwe/4.15.0-120.122~16.04.1 https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1056.61~16.04.1