Ubuntu 5164-1: Linux kernel vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: linux-image-4.15.0-1031-dell300x 4.15.0-1031.36 linux-image-4.15.0-1084-oracle 4.15.0-1084.92 linux-image-4.15.0-1099-raspi2 4.15.0-1099.106 linux-image-4.15.0-1103-kvm 4.15.0-1103.105 linux-image-4.15.0-1112-gcp 4.15.0-1112.126 linux-image-4.15.0-1116-aws 4.15.0-1116.123 linux-image-4.15.0-1116-snapdragon 4.15.0-1116.125 linux-image-4.15.0-1127-azure 4.15.0-1127.140 linux-image-4.15.0-163-generic 4.15.0-163.171 linux-image-4.15.0-163-generic-lpae 4.15.0-163.171 linux-image-4.15.0-163-lowlatency 4.15.0-163.171 linux-image-aws-lts-18.04 4.15.0.1116.119 linux-image-azure-lts-18.04 4.15.0.1127.100 linux-image-dell300x 4.15.0.1031.33 linux-image-gcp-lts-18.04 4.15.0.1112.131 linux-image-generic 4.15.0.163.152 linux-image-generic-lpae 4.15.0.163.152 linux-image-kvm 4.15.0.1103.99 linux-image-lowlatency 4.15.0.163.152 linux-image-oracle-lts-18.04 4.15.0.1084.94 linux-image-raspi2 4.15.0.1099.97 linux-image-snapdragon 4.15.0.1116.119 linux-image-virtual 4.15.0.163.152 Ubuntu 16.04 ESM: linux-image-4.15.0-1084-oracle 4.15.0-1084.92~16.04.1 linux-image-4.15.0-1116-aws 4.15.0-1116.123~16.04.1 linux-image-4.15.0-1127-azure 4.15.0-1127.140~16.04.1 linux-image-4.15.0-163-generic 4.15.0-163.171~16.04.1 linux-image-4.15.0-163-lowlatency 4.15.0-163.171~16.04.1 linux-image-aws-hwe 4.15.0.1116.106 linux-image-azure 4.15.0.1127.118 linux-image-generic-hwe-16.04 4.15.0.163.156 linux-image-lowlatency-hwe-16.04 4.15.0.163.156 linux-image-oem 4.15.0.163.156 linux-image-oracle 4.15.0.1084.72 linux-image-virtual-hwe-16.04 4.15.0.163.156 Ubuntu 14.04 ESM: linux-image-4.15.0-1127-azure 4.15.0-1127.140~14.04.1 linux-image-azure 4.15.0.1127.100 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-5164-1
CVE-2021-37159, CVE-2021-3744, CVE-2021-3764
Package Information
https://launchpad.net/ubuntu/+source/linux/4.15.0-163.171 https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1116.123 https://launchpad.net/ubuntu/+source/linux-azure-4.15/4.15.0-1127.140 https://launchpad.net/ubuntu/+source/linux-dell300x/4.15.0-1031.36 https://launchpad.net/ubuntu/+source/linux-gcp-4.15/4.15.0-1112.126 https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1103.105 https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1084.92 https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1099.106 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.15.0-1116.125