Ubuntu 4750-1: 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-5.4.0-1010-gkeop 5.4.0-1010.11 linux-image-5.4.0-1029-raspi 5.4.0-1029.32 linux-image-5.4.0-1033-kvm 5.4.0-1033.34 linux-image-5.4.0-1037-gcp 5.4.0-1037.40 linux-image-5.4.0-1038-aws 5.4.0-1038.40 linux-image-5.4.0-1038-oracle 5.4.0-1038.41 linux-image-5.4.0-1040-azure 5.4.0-1040.42 linux-image-5.4.0-66-generic 5.4.0-66.74 linux-image-5.4.0-66-generic-lpae 5.4.0-66.74 linux-image-5.4.0-66-lowlatency 5.4.0-66.74 linux-image-aws 5.4.0.1038.39 linux-image-azure 5.4.0.1040.38 linux-image-gcp 5.4.0.1037.46 linux-image-generic 5.4.0.66.69 linux-image-generic-lpae 5.4.0.66.69 linux-image-gkeop 5.4.0.1010.13 linux-image-gkeop-5.4 5.4.0.1010.13 linux-image-kvm 5.4.0.1033.31 linux-image-lowlatency 5.4.0.66.69 linux-image-oem 5.4.0.66.69 linux-image-oem-osp1 5.4.0.66.69 linux-image-oracle 5.4.0.1038.35 linux-image-raspi 5.4.0.1029.64 linux-image-raspi2 5.4.0.1029.64 linux-image-virtual 5.4.0.66.69 Ubuntu 18.04 LTS: linux-image-5.4.0-1010-gkeop 5.4.0-1010.11~18.04.1 linux-image-5.4.0-1029-raspi 5.4.0-1029.32~18.04.1 linux-image-5.4.0-1036-gke 5.4.0-1036.38~18.04.1 linux-image-5.4.0-1037-gcp 5.4.0-1037.40~18.04.1 linux-image-5.4.0-1038-aws 5.4.0-1038.40~18.04.1 linux-image-5.4.0-1038-oracle 5.4.0-1038.41~18.04.1 linux-image-5.4.0-1040-azure 5.4.0-1040.42~18.04.1 linux-image-5.4.0-66-generic 5.4.0-66.74~18.04.2 linux-image-5.4.0-66-generic-lpae 5.4.0-66.74~18.04.2 linux-image-5.4.0-66-lowlatency 5.4.0-66.74~18.04.2 linux-image-aws 5.4.0.1038.22 linux-image-azure 5.4.0.1040.20 linux-image-gcp 5.4.0.1037.24 linux-image-generic-hwe-18.04 5.4.0.66.74~18.04.61 linux-image-generic-lpae-hwe-18.04 5.4.0.66.74~18.04.61 linux-image-gke-5.4 5.4.0.1036.38~18.04.4 linux-image-gkeop-5.4 5.4.0.1010.11~18.04.11 linux-image-lowlatency-hwe-18.04 5.4.0.66.74~18.04.61 linux-image-oem 5.4.0.66.74~18.04.61 linux-image-oem-osp1 5.4.0.66.74~18.04.61 linux-image-oracle 5.4.0.1038.41~18.04.21 linux-image-raspi-hwe-18.04 5.4.0.1029.32 linux-image-snapdragon-hwe-18.04 5.4.0.66.74~18.04.61 linux-image-virtual-hwe-18.04 5.4.0.66.74~18.04.61 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-4750-1
CVE-2020-25669, CVE-2020-27815, CVE-2020-27830, CVE-2020-28588,
CVE-2020-28941, CVE-2020-29568, CVE-2020-29569, CVE-2020-29660,
CVE-2020-29661, CVE-2021-20177
Package Information
https://launchpad.net/ubuntu/+source/linux/5.4.0-66.74 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1038.40 https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1040.42 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1037.40 https://launchpad.net/ubuntu/+source/linux-gkeop/5.4.0-1010.11 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1033.34 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1038.41 https://launchpad.net/ubuntu/+source/linux-raspi/5.4.0-1029.32 https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1038.40~18.04.1 https://launchpad.net/ubuntu/+source/linux-azure-5.4/5.4.0-1040.42~18.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1037.40~18.04.1 https://launchpad.net/ubuntu/+source/linux-gke-5.4/5.4.0-1036.38~18.04.1 https://launchpad.net/ubuntu/+source/linux-gkeop-5.4/5.4.0-1010.11~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-66.74~18.04.2 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1038.41~18.04.1 https://launchpad.net/ubuntu/+source/linux-raspi-5.4/5.4.0-1029.32~18.04.1