Ubuntu 4887-1: Linux kernel vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: linux-image-5.8.0-1019-raspi 5.8.0-1019.22 linux-image-5.8.0-1019-raspi-nolpae 5.8.0-1019.22 linux-image-5.8.0-1022-kvm 5.8.0-1022.24 linux-image-5.8.0-1024-oracle 5.8.0-1024.25 linux-image-5.8.0-1026-azure 5.8.0-1026.28 linux-image-5.8.0-1026-gcp 5.8.0-1026.27 linux-image-5.8.0-1027-aws 5.8.0-1027.29 linux-image-5.8.0-48-generic 5.8.0-48.54 linux-image-5.8.0-48-generic-64k 5.8.0-48.54 linux-image-5.8.0-48-generic-lpae 5.8.0-48.54 linux-image-5.8.0-48-lowlatency 5.8.0-48.54 linux-image-aws 5.8.0.1027.29 linux-image-azure 5.8.0.1026.26 linux-image-gcp 5.8.0.1026.26 linux-image-generic 5.8.0.48.53 linux-image-generic-64k 5.8.0.48.53 linux-image-generic-lpae 5.8.0.48.53 linux-image-gke 5.8.0.1026.26 linux-image-kvm 5.8.0.1022.24 linux-image-lowlatency 5.8.0.48.53 linux-image-oem-20.04 5.8.0.48.53 linux-image-oracle 5.8.0.1024.23 linux-image-raspi 5.8.0.1019.22 linux-image-raspi-nolpae 5.8.0.1019.22 linux-image-virtual 5.8.0.48.53 Ubuntu 20.04 LTS: linux-image-5.10.0-1019-oem 5.10.0-1019.20 linux-image-5.4.0-1012-gkeop 5.4.0-1012.13 linux-image-5.4.0-1032-raspi 5.4.0-1032.35 linux-image-5.4.0-1036-kvm 5.4.0-1036.37 linux-image-5.4.0-1040-gcp 5.4.0-1040.43 linux-image-5.4.0-1041-aws 5.4.0-1041.43 linux-image-5.4.0-1041-oracle 5.4.0-1041.44 linux-image-5.4.0-1043-azure 5.4.0-1043.45 linux-image-5.4.0-70-generic 5.4.0-70.78 linux-image-5.4.0-70-generic-lpae 5.4.0-70.78 linux-image-5.4.0-70-lowlatency 5.4.0-70.78 linux-image-5.6.0-1052-oem 5.6.0-1052.56 linux-image-5.8.0-48-generic 5.8.0-48.54~20.04.1 linux-image-5.8.0-48-generic-64k 5.8.0-48.54~20.04.1 linux-image-5.8.0-48-generic-lpae 5.8.0-48.54~20.04.1 linux-image-5.8.0-48-lowlatency 5.8.0-48.54~20.04.1 linux-image-aws 5.4.0.1041.42 linux-image-azure 5.4.0.1043.41 linux-image-gcp 5.4.0.1040.49 linux-image-generic 5.4.0.70.73 linux-image-generic-64k-hwe-20.04 5.8.0.48.54~20.04.32 linux-image-generic-hwe-20.04 5.8.0.48.54~20.04.32 linux-image-generic-lpae 5.4.0.70.73 linux-image-generic-lpae-hwe-20.04 5.8.0.48.54~20.04.32 linux-image-gkeop 5.4.0.1012.15 linux-image-gkeop-5.4 5.4.0.1012.15 linux-image-kvm 5.4.0.1036.34 linux-image-lowlatency 5.4.0.70.73 linux-image-lowlatency-hwe-20.04 5.8.0.48.54~20.04.32 linux-image-oem 5.4.0.70.73 linux-image-oem-20.04 5.6.0.1052.48 linux-image-oem-20.04b 5.10.0.1019.20 linux-image-oem-osp1 5.4.0.70.73 linux-image-oracle 5.4.0.1041.38 linux-image-raspi 5.4.0.1032.67 linux-image-raspi2 5.4.0.1032.67 linux-image-virtual 5.4.0.70.73 linux-image-virtual-hwe-20.04 5.8.0.48.54~20.04.32 Ubuntu 18.04 LTS: linux-image-5.3.0-1038-raspi2 5.3.0-1038.40 linux-image-5.3.0-1041-gke 5.3.0-1041.44 linux-image-5.3.0-72-generic 5.3.0-72.68 linux-image-5.3.0-72-lowlatency 5.3.0-72.68 linux-image-5.4.0-1012-gkeop 5.4.0-1012.13~18.04.1 linux-image-5.4.0-1032-raspi 5.4.0-1032.35~18.04.1 linux-image-5.4.0-1039-gke 5.4.0-1039.41~18.04.1 linux-image-5.4.0-1040-gcp 5.4.0-1040.43~18.04.1 linux-image-5.4.0-1041-aws 5.4.0-1041.43~18.04.1 linux-image-5.4.0-1041-oracle 5.4.0-1041.44~18.04.1 linux-image-5.4.0-1043-azure 5.4.0-1043.45~18.04.1 linux-image-5.4.0-70-generic 5.4.0-70.78~18.04.1 linux-image-5.4.0-70-generic-lpae 5.4.0-70.78~18.04.1 linux-image-5.4.0-70-lowlatency 5.4.0-70.78~18.04.1 linux-image-aws 5.4.0.1041.24 linux-image-azure 5.4.0.1043.23 linux-image-gcp 5.4.0.1040.27 linux-image-generic-hwe-18.04 5.4.0.70.78~18.04.63 linux-image-generic-lpae-hwe-18.04 5.4.0.70.78~18.04.63 linux-image-gke-5.3 5.3.0.1041.24 linux-image-gke-5.4 5.4.0.1039.41~18.04.6 linux-image-gkeop-5.3 5.3.0.72.129 linux-image-gkeop-5.4 5.4.0.1012.13~18.04.13 linux-image-lowlatency-hwe-18.04 5.4.0.70.78~18.04.63 linux-image-oem 5.4.0.70.78~18.04.63 linux-image-oem-osp1 5.4.0.70.78~18.04.63 linux-image-oracle 5.4.0.1041.44~18.04.23 linux-image-raspi-hwe-18.04 5.4.0.1032.34 linux-image-raspi2-hwe-18.04 5.3.0.1038.27 linux-image-snapdragon-hwe-18.04 5.4.0.70.78~18.04.63 linux-image-virtual-hwe-18.04 5.4.0.70.78~18.04.63 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-4887-1
CVE-2020-27170, CVE-2020-27171, CVE-2021-27363, CVE-2021-27364,
CVE-2021-27365, CVE-2021-3444
Package Information
https://launchpad.net/ubuntu/+source/linux/5.8.0-48.54 https://launchpad.net/ubuntu/+source/linux-aws/5.8.0-1027.29 https://launchpad.net/ubuntu/+source/linux-azure/5.8.0-1026.28 https://launchpad.net/ubuntu/+source/linux-gcp/5.8.0-1026.27 https://launchpad.net/ubuntu/+source/linux-kvm/5.8.0-1022.24 https://launchpad.net/ubuntu/+source/linux-oracle/5.8.0-1024.25 https://launchpad.net/ubuntu/+source/linux-raspi/5.8.0-1019.22 https://launchpad.net/ubuntu/+source/linux/5.4.0-70.78 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1041.43 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1043.45 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1040.43 https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1012.13 https://launchpad.net/ubuntu/+source/linux-hwe-5.8/5.8.0-48.54~20.04.1 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1036.37 https://launchpad.net/ubuntu/+source/linux-oem-5.10/5.10.0-1019.20 https://launchpad.net/ubuntu/+source/linux-oem-5.6/5.6.0-1052.56 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1041.44 https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1032.35 https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1041.43~18.04.1 https://launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1043.45~18.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1040.43~18.04.1 https://launchpad.net/ubuntu/+source/linux-gke-5.3/5.3.0-1041.44 https://launchpad.net/ubuntu/+source/linux-gke-5.4/5.4.0-1039.41~18.04.1 https://launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1012.13~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe/5.3.0-72.68 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-70.78~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1041.44~18.04.1 https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1032.35~18.04.1 https://launchpad.net/ubuntu/+source/linux-raspi2-5.3/5.3.0-1038.40