Ubuntu 4576-1: Linux kernel vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.4.0-1021-raspi 5.4.0-1021.24 linux-image-5.4.0-1026-kvm 5.4.0-1026.27 linux-image-5.4.0-1028-aws 5.4.0-1028.29 linux-image-5.4.0-1028-gcp 5.4.0-1028.29 linux-image-5.4.0-1028-oracle 5.4.0-1028.29 linux-image-5.4.0-1031-azure 5.4.0-1031.32 linux-image-5.4.0-51-generic 5.4.0-51.56 linux-image-5.4.0-51-generic-lpae 5.4.0-51.56 linux-image-5.4.0-51-lowlatency 5.4.0-51.56 linux-image-aws 5.4.0.1028.29 linux-image-azure 5.4.0.1031.29 linux-image-gcp 5.4.0.1028.36 linux-image-generic 5.4.0.51.54 linux-image-generic-hwe-20.04 5.4.0.51.54 linux-image-generic-lpae 5.4.0.51.54 linux-image-generic-lpae-hwe-20.04 5.4.0.51.54 linux-image-gke 5.4.0.1028.36 linux-image-kvm 5.4.0.1026.24 linux-image-lowlatency 5.4.0.51.54 linux-image-lowlatency-hwe-20.04 5.4.0.51.54 linux-image-oem 5.4.0.51.54 linux-image-oem-osp1 5.4.0.51.54 linux-image-oracle 5.4.0.1028.25 linux-image-raspi 5.4.0.1021.56 linux-image-raspi2 5.4.0.1021.56 linux-image-virtual 5.4.0.51.54 linux-image-virtual-hwe-20.04 5.4.0.51.54 Ubuntu 18.04 LTS: linux-image-5.4.0-1021-raspi 5.4.0-1021.24~18.04.1 linux-image-5.4.0-1028-aws 5.4.0-1028.29~18.04.1 linux-image-5.4.0-1028-gcp 5.4.0-1028.29~18.04.1 linux-image-5.4.0-1028-oracle 5.4.0-1028.29~18.04.1 linux-image-5.4.0-1031-azure 5.4.0-1031.32~18.04.1 linux-image-5.4.0-51-generic 5.4.0-51.56~18.04.1 linux-image-5.4.0-51-generic-lpae 5.4.0-51.56~18.04.1 linux-image-5.4.0-51-lowlatency 5.4.0-51.56~18.04.1 linux-image-aws 5.4.0.1028.13 linux-image-azure 5.4.0.1031.13 linux-image-gcp 5.4.0.1028.16 linux-image-generic-hwe-18.04 5.4.0.51.56~18.04.45 linux-image-generic-lpae-hwe-18.04 5.4.0.51.56~18.04.45 linux-image-lowlatency-hwe-18.04 5.4.0.51.56~18.04.45 linux-image-oracle 5.4.0.1028.12 linux-image-raspi-hwe-18.04 5.4.0.1021.25 linux-image-snapdragon-hwe-18.04 5.4.0.51.56~18.04.45 linux-image-virtual-hwe-18.04 5.4.0.51.56~18.04.45 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-4576-1
CVE-2020-14314, CVE-2020-14385, CVE-2020-16119, CVE-2020-16120,
CVE-2020-25285, CVE-2020-25641
Package Information
https://launchpad.net/ubuntu/+source/linux/5.4.0-51.56 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1028.29 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1031.32 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1028.29 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1026.27 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1028.29 https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1021.24 https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1028.29~18.04.1 https://launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1031.32~18.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1028.29~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-51.56~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1028.29~18.04.1 https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1021.24~18.04.1