Ubuntu 4627-1: Linux kernel vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.4.0-1029-gcp 5.4.0-1029.31 linux-image-5.4.0-1029-oracle 5.4.0-1029.31 linux-image-5.4.0-53-generic 5.4.0-53.59 linux-image-5.4.0-53-generic-lpae 5.4.0-53.59 linux-image-5.4.0-53-lowlatency 5.4.0-53.59 linux-image-gcp 5.4.0.1029.37 linux-image-generic 5.4.0.53.56 linux-image-generic-hwe-20.04 5.4.0.53.56 linux-image-generic-lpae 5.4.0.53.56 linux-image-generic-lpae-hwe-20.04 5.4.0.53.56 linux-image-gke 5.4.0.1029.37 linux-image-lowlatency 5.4.0.53.56 linux-image-lowlatency-hwe-20.04 5.4.0.53.56 linux-image-oem 5.4.0.53.56 linux-image-oem-osp1 5.4.0.53.56 linux-image-oracle 5.4.0.1029.26 linux-image-virtual 5.4.0.53.56 linux-image-virtual-hwe-20.04 5.4.0.53.56 Ubuntu 18.04 LTS: linux-image-4.15.0-1058-oracle 4.15.0-1058.64 linux-image-4.15.0-1073-gke 4.15.0-1073.78 linux-image-4.15.0-1087-gcp 4.15.0-1087.100 linux-image-4.15.0-1101-oem 4.15.0-1101.112 linux-image-4.15.0-123-generic 4.15.0-123.126 linux-image-4.15.0-123-generic-lpae 4.15.0-123.126 linux-image-4.15.0-123-lowlatency 4.15.0-123.126 linux-image-5.0.0-1071-oem-osp1 5.0.0-1071.77 linux-image-5.3.0-1039-gke 5.3.0-1039.42 linux-image-5.3.0-69-generic 5.3.0-69.65 linux-image-5.3.0-69-lowlatency 5.3.0-69.65 linux-image-5.4.0-1029-gcp 5.4.0-1029.31~18.04.1 linux-image-5.4.0-1029-oracle 5.4.0-1029.31~18.04.1 linux-image-5.4.0-53-generic 5.4.0-53.59~18.04.1 linux-image-5.4.0-53-generic-lpae 5.4.0-53.59~18.04.1 linux-image-5.4.0-53-lowlatency 5.4.0-53.59~18.04.1 linux-image-gcp 5.4.0.1029.17 linux-image-gcp-edge 5.4.0.1029.17 linux-image-gcp-lts-18.04 4.15.0.1087.105 linux-image-generic 4.15.0.123.110 linux-image-generic-hwe-18.04 5.4.0.53.59~18.04.47 linux-image-generic-lpae 4.15.0.123.110 linux-image-generic-lpae-hwe-18.04 5.4.0.53.59~18.04.47 linux-image-gke 4.15.0.1073.77 linux-image-gke-4.15 4.15.0.1073.77 linux-image-gke-5.3 5.3.0.1039.22 linux-image-gkeop-5.3 5.3.0.69.126 linux-image-lowlatency 4.15.0.123.110 linux-image-lowlatency-hwe-18.04 5.4.0.53.59~18.04.47 linux-image-oem 4.15.0.1101.105 linux-image-oem-osp1 5.0.0.1071.69 linux-image-oracle 5.4.0.1029.13 linux-image-oracle-edge 5.4.0.1029.13 linux-image-oracle-lts-18.04 4.15.0.1058.68 linux-image-powerpc-e500mc 4.15.0.123.110 linux-image-powerpc-smp 4.15.0.123.110 linux-image-powerpc64-emb 4.15.0.123.110 linux-image-powerpc64-smp 4.15.0.123.110 linux-image-snapdragon-hwe-18.04 5.4.0.53.59~18.04.47 linux-image-virtual 4.15.0.123.110 linux-image-virtual-hwe-18.04 5.4.0.53.59~18.04.47 Ubuntu 16.04 LTS: linux-image-4.15.0-1058-oracle 4.15.0-1058.64~16.04.1 linux-image-4.15.0-1087-gcp 4.15.0-1087.100~16.04.1 linux-image-4.15.0-123-generic 4.15.0-123.126~16.04.1 linux-image-4.15.0-123-generic-lpae 4.15.0-123.126~16.04.1 linux-image-4.15.0-123-lowlatency 4.15.0-123.126~16.04.1 linux-image-4.4.0-194-generic 4.4.0-194.226 linux-image-4.4.0-194-generic-lpae 4.4.0-194.226 linux-image-4.4.0-194-lowlatency 4.4.0-194.226 linux-image-4.4.0-194-powerpc-e500mc 4.4.0-194.226 linux-image-4.4.0-194-powerpc-smp 4.4.0-194.226 linux-image-4.4.0-194-powerpc64-emb 4.4.0-194.226 linux-image-4.4.0-194-powerpc64-smp 4.4.0-194.226 linux-image-gcp 4.15.0.1087.88 linux-image-generic 4.4.0.194.200 linux-image-generic-hwe-16.04 4.15.0.123.123 linux-image-generic-lpae 4.4.0.194.200 linux-image-generic-lpae-hwe-16.04 4.15.0.123.123 linux-image-gke 4.15.0.1087.88 linux-image-lowlatency 4.4.0.194.200 linux-image-lowlatency-hwe-16.04 4.15.0.123.123 linux-image-oem 4.15.0.123.123 linux-image-oracle 4.15.0.1058.47 linux-image-powerpc-e500mc 4.4.0.194.200 linux-image-powerpc-smp 4.4.0.194.200 linux-image-powerpc64-emb 4.4.0.194.200 linux-image-powerpc64-smp 4.4.0.194.200 linux-image-virtual 4.4.0.194.200 linux-image-virtual-hwe-16.04 4.15.0.123.123 Ubuntu 14.04 ESM: linux-image-3.13.0-183-generic 3.13.0-183.234 linux-image-3.13.0-183-generic-lpae 3.13.0-183.234 linux-image-3.13.0-183-lowlatency 3.13.0-183.234 linux-image-3.13.0-183-powerpc-e500 3.13.0-183.234 linux-image-3.13.0-183-powerpc-e500mc 3.13.0-183.234 linux-image-3.13.0-183-powerpc-smp 3.13.0-183.234 linux-image-3.13.0-183-powerpc64-emb 3.13.0-183.234 linux-image-3.13.0-183-powerpc64-smp 3.13.0-183.234 linux-image-4.4.0-194-generic 4.4.0-194.226~14.04.1 linux-image-4.4.0-194-generic-lpae 4.4.0-194.226~14.04.1 linux-image-4.4.0-194-lowlatency 4.4.0-194.226~14.04.1 linux-image-4.4.0-194-powerpc-e500mc 4.4.0-194.226~14.04.1 linux-image-4.4.0-194-powerpc-smp 4.4.0-194.226~14.04.1 linux-image-4.4.0-194-powerpc64-emb 4.4.0-194.226~14.04.1 linux-image-4.4.0-194-powerpc64-smp 4.4.0-194.226~14.04.1 linux-image-generic 3.13.0.183.192 linux-image-generic-lpae 3.13.0.183.192 linux-image-generic-lpae-lts-xenial 4.4.0.194.170 linux-image-generic-lts-xenial 4.4.0.194.170 linux-image-generic-pae 3.13.0.183.192 linux-image-highbank 3.13.0.183.192 linux-image-lowlatency 3.13.0.183.192 linux-image-lowlatency-lts-xenial 4.4.0.194.170 linux-image-lowlatency-pae 3.13.0.183.192 linux-image-omap 3.13.0.183.192 linux-image-powerpc-e500 3.13.0.183.192 linux-image-powerpc-e500mc 3.13.0.183.192 linux-image-powerpc-e500mc-lts-xenial 4.4.0.194.170 linux-image-powerpc-smp 3.13.0.183.192 linux-image-powerpc-smp-lts-xenial 4.4.0.194.170 linux-image-powerpc64-emb 3.13.0.183.192 linux-image-powerpc64-emb-lts-xenial 4.4.0.194.170 linux-image-powerpc64-smp 3.13.0.183.192 linux-image-powerpc64-smp-lts-xenial 4.4.0.194.170 linux-image-server 3.13.0.183.192 linux-image-virtual 3.13.0.183.192 linux-image-virtual-lts-xenial 4.4.0.194.170 Ubuntu 12.04 ESM: linux-image-3.13.0-183-generic 3.13.0-183.234~12.04.1 linux-image-3.13.0-183-generic-lpae 3.13.0-183.234~12.04.1 linux-image-3.13.0-183-lowlatency 3.13.0-183.234~12.04.1 linux-image-generic-lpae-lts-trusty 3.13.0.183.169 linux-image-generic-lts-trusty 3.13.0.183.169 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-4627-1
CVE-2020-8694
Package Information
https://launchpad.net/ubuntu/+source/linux/5.4.0-53.59 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1029.31 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1029.31 https://launchpad.net/ubuntu/+source/linux/4.15.0-123.126 https://launchpad.net/ubuntu/+source/linux-gcp-4.15/4.15.0-1087.100 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1029.31~18.04.1 https://launchpad.net/ubuntu/+source/linux-gke-4.15/4.15.0-1073.78 https://launchpad.net/ubuntu/+source/linux-gke-5.3/5.3.0-1039.42 https://launchpad.net/ubuntu/+source/linux-hwe/5.3.0-69.65 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-53.59~18.04.1 https://launchpad.net/ubuntu/+source/linux-oem/4.15.0-1101.112 https://launchpad.net/ubuntu/+source/linux-oem-osp1/5.0.0-1071.77 https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1058.64 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1029.31~18.04.1 https://launchpad.net/ubuntu/+source/linux/4.4.0-194.226 https://launchpad.net/ubuntu/+source/linux-gcp/4.15.0-1087.100~16.04.1 https://launchpad.net/ubuntu/+source/linux-hwe/4.15.0-123.126~16.04.1 https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1058.64~16.04.1