Ubuntu 5163-1: 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-5.4.0-1027-gkeop 5.4.0-1027.28 linux-image-5.4.0-1050-kvm 5.4.0-1050.52 linux-image-5.4.0-1056-gke 5.4.0-1056.59 linux-image-5.4.0-1058-gcp 5.4.0-1058.62 linux-image-5.4.0-1058-oracle 5.4.0-1058.62 linux-image-5.4.0-1060-aws 5.4.0-1060.63 linux-image-5.4.0-1064-azure 5.4.0-1064.67 linux-image-5.4.0-91-generic 5.4.0-91.102 linux-image-5.4.0-91-generic-lpae 5.4.0-91.102 linux-image-5.4.0-91-lowlatency 5.4.0-91.102 linux-image-aws-lts-20.04 5.4.0.1060.63 linux-image-azure-lts-20.04 5.4.0.1064.62 linux-image-gcp-lts-20.04 5.4.0.1058.68 linux-image-generic 5.4.0.91.95 linux-image-generic-lpae 5.4.0.91.95 linux-image-gke 5.4.0.1056.66 linux-image-gke-5.4 5.4.0.1056.66 linux-image-gkeop 5.4.0.1027.30 linux-image-gkeop-5.4 5.4.0.1027.30 linux-image-kvm 5.4.0.1050.49 linux-image-lowlatency 5.4.0.91.95 linux-image-oem 5.4.0.91.95 linux-image-oem-osp1 5.4.0.91.95 linux-image-oracle-lts-20.04 5.4.0.1058.58 linux-image-virtual 5.4.0.91.95 Ubuntu 18.04 LTS: linux-image-5.4.0-1027-gkeop 5.4.0-1027.28~18.04.1 linux-image-5.4.0-1056-gke 5.4.0-1056.59~18.04.1 linux-image-5.4.0-1058-oracle 5.4.0-1058.62~18.04.1 linux-image-5.4.0-1060-aws 5.4.0-1060.63~18.04.1 linux-image-5.4.0-91-generic 5.4.0-91.102~18.04.1 linux-image-5.4.0-91-generic-lpae 5.4.0-91.102~18.04.1 linux-image-5.4.0-91-lowlatency 5.4.0-91.102~18.04.1 linux-image-aws 5.4.0.1060.43 linux-image-generic-hwe-18.04 5.4.0.91.102~18.04.81 linux-image-generic-lpae-hwe-18.04 5.4.0.91.102~18.04.81 linux-image-gke-5.4 5.4.0.1056.59~18.04.21 linux-image-gkeop-5.4 5.4.0.1027.28~18.04.28 linux-image-lowlatency-hwe-18.04 5.4.0.91.102~18.04.81 linux-image-oem 5.4.0.91.102~18.04.81 linux-image-oem-osp1 5.4.0.91.102~18.04.81 linux-image-oracle 5.4.0.1058.62~18.04.38 linux-image-snapdragon-hwe-18.04 5.4.0.91.102~18.04.81 linux-image-virtual-hwe-18.04 5.4.0.91.102~18.04.81 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-5163-1
CVE-2021-3655, CVE-2021-37159, CVE-2021-3744, CVE-2021-3764
Package Information
https://launchpad.net/ubuntu/+source/linux/5.4.0-91.102 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1060.63 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1064.67 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1058.62 https://launchpad.net/ubuntu/+source/linux-gke/5.4.0-1056.59 https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1027.28 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1050.52 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1058.62 https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1060.63~18.04.1 https://launchpad.net/ubuntu/+source/linux-gke-5.4/5.4.0-1056.59~18.04.1 https://launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1027.28~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-91.102~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1058.62~18.04.1