Ubuntu 5268-1: 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-4.15.0-1034-dell300x 4.15.0-1034.39 linux-image-4.15.0-1086-oracle 4.15.0-1086.94 linux-image-4.15.0-1102-raspi2 4.15.0-1102.109 linux-image-4.15.0-1106-kvm 4.15.0-1106.108 linux-image-4.15.0-1115-gcp 4.15.0-1115.129 linux-image-4.15.0-1119-snapdragon 4.15.0-1119.128 linux-image-4.15.0-167-generic 4.15.0-167.175 linux-image-4.15.0-167-generic-lpae 4.15.0-167.175 linux-image-4.15.0-167-lowlatency 4.15.0-167.175 linux-image-aws-lts-18.04 4.15.0.1119.122 linux-image-dell300x 4.15.0.1034.36 linux-image-gcp-lts-18.04 4.15.0.1115.134 linux-image-generic 4.15.0.167.156 linux-image-generic-lpae 4.15.0.167.156 linux-image-kvm 4.15.0.1106.102 linux-image-lowlatency 4.15.0.167.156 linux-image-oracle-lts-18.04 4.15.0.1086.96 linux-image-raspi2 4.15.0.1102.100 linux-image-snapdragon 4.15.0.1119.122 linux-image-virtual 4.15.0.167.156 Ubuntu 16.04 ESM: linux-image-4.15.0-1086-oracle 4.15.0-1086.94~16.04.1 linux-image-4.15.0-1130-azure 4.15.0-1130.143~16.04.1 linux-image-4.15.0-167-generic 4.15.0-167.175~16.04.1 linux-image-4.15.0-167-lowlatency 4.15.0-167.175~16.04.1 linux-image-aws-hwe 4.15.0.1119.110 linux-image-azure 4.15.0.1130.121 linux-image-generic-hwe-16.04 4.15.0.167.159 linux-image-lowlatency-hwe-16.04 4.15.0.167.159 linux-image-lowlatency-hwe-16.04-edge 4.15.0.167.159 linux-image-oem 4.15.0.167.159 linux-image-oracle 4.15.0.1086.74 linux-image-virtual-hwe-16.04 4.15.0.167.159 Ubuntu 14.04 ESM: linux-image-4.15.0-1130-azure 4.15.0-1130.143~14.04.1 linux-image-azure 4.15.0.1130.103 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-5268-1
CVE-2021-20322, CVE-2021-3640, CVE-2021-3752, CVE-2021-42739
Package Information
https://launchpad.net/ubuntu/+source/linux/4.15.0-167.175 https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1119.127 https://launchpad.net/ubuntu/+source/linux-dell300x/4.15.0-1034.39 https://launchpad.net/ubuntu/+source/linux-gcp-4.15/4.15.0-1115.129 https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1106.108 https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1086.94 https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1102.109 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.15.0-1119.128