Ubuntu 4713-1: Linux kernel vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: linux-image-5.8.0-1013-raspi 5.8.0-1013.16 linux-image-5.8.0-1013-raspi-nolpae 5.8.0-1013.16 linux-image-5.8.0-1016-kvm 5.8.0-1016.18 linux-image-5.8.0-1018-oracle 5.8.0-1018.19 linux-image-5.8.0-1020-azure 5.8.0-1020.22 linux-image-5.8.0-1021-aws 5.8.0-1021.23 linux-image-aws 5.8.0.1021.23 linux-image-azure 5.8.0.1020.20 linux-image-kvm 5.8.0.1016.18 linux-image-oracle 5.8.0.1018.18 linux-image-raspi 5.8.0.1013.16 linux-image-raspi-nolpae 5.8.0.1013.16 Ubuntu 20.04 LTS: linux-image-5.4.0-1032-kvm 5.4.0-1032.33 linux-image-5.4.0-1036-gcp 5.4.0-1036.39 linux-image-5.4.0-1037-aws 5.4.0-1037.39 linux-image-5.4.0-1037-oracle 5.4.0-1037.40 linux-image-5.4.0-1039-azure 5.4.0-1039.41 linux-image-aws 5.4.0.1037.38 linux-image-azure 5.4.0.1039.37 linux-image-gcp 5.4.0.1036.45 linux-image-kvm 5.4.0.1032.30 linux-image-oracle 5.4.0.1037.34 Ubuntu 18.04 LTS: linux-image-5.4.0-1037-aws 5.4.0-1037.39~18.04.1 linux-image-aws 5.4.0.1037.21 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-4713-1
CVE-2020-28374
Package Information
https://launchpad.net/ubuntu/+source/linux-aws/5.8.0-1021.23 https://launchpad.net/ubuntu/+source/linux-azure/5.8.0-1020.22 https://launchpad.net/ubuntu/+source/linux-kvm/5.8.0-1016.18 https://launchpad.net/ubuntu/+source/linux-oracle/5.8.0-1018.19 https://launchpad.net/ubuntu/+source/linux-raspi/5.8.0-1013.16 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1037.39 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1039.41 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1036.39 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1032.33 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1037.40 https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1037.39~18.04.1