Ubuntu 4426-1: 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-4.15.0-1050-oracle 4.15.0-1050.54 linux-image-4.15.0-1066-gke 4.15.0-1066.69 linux-image-4.15.0-1067-raspi2 4.15.0-1067.71 linux-image-4.15.0-1071-kvm 4.15.0-1071.72 linux-image-4.15.0-1079-aws 4.15.0-1079.83 linux-image-4.15.0-1080-gcp 4.15.0-1080.90 linux-image-4.15.0-1093-oem 4.15.0-1093.103 linux-image-4.15.0-112-generic 4.15.0-112.113 linux-image-4.15.0-112-generic-lpae 4.15.0-112.113 linux-image-4.15.0-112-lowlatency 4.15.0-112.113 linux-image-aws-lts-18.04 4.15.0.1079.81 linux-image-gcp-lts-18.04 4.15.0.1080.96 linux-image-generic 4.15.0.112.100 linux-image-generic-lpae 4.15.0.112.100 linux-image-gke 4.15.0.1066.68 linux-image-gke-4.15 4.15.0.1066.68 linux-image-kvm 4.15.0.1071.67 linux-image-lowlatency 4.15.0.112.100 linux-image-oem 4.15.0.1093.96 linux-image-oracle-lts-18.04 4.15.0.1050.59 linux-image-powerpc-e500mc 4.15.0.112.100 linux-image-powerpc-smp 4.15.0.112.100 linux-image-powerpc64-emb 4.15.0.112.100 linux-image-powerpc64-smp 4.15.0.112.100 linux-image-raspi2 4.15.0.1067.65 linux-image-virtual 4.15.0.112.100 Ubuntu 16.04 LTS: linux-image-4.15.0-1050-oracle 4.15.0-1050.54~16.04.1 linux-image-4.15.0-1079-aws 4.15.0-1079.83~16.04.1 linux-image-4.15.0-1080-gcp 4.15.0-1080.90~16.04.1 linux-image-aws-hwe 4.15.0.1079.76 linux-image-gcp 4.15.0.1080.82 linux-image-gke 4.15.0.1080.82 linux-image-oracle 4.15.0.1050.41 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-4426-1
CVE-2019-20908, CVE-2020-10757, CVE-2020-11935, CVE-2020-15780
Package Information
https://launchpad.net/ubuntu/+source/linux/4.15.0-112.113 https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1079.83 https://launchpad.net/ubuntu/+source/linux-gcp-4.15/4.15.0-1080.90 https://launchpad.net/ubuntu/+source/linux-gke-4.15/4.15.0-1066.69 https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1071.72 https://launchpad.net/ubuntu/+source/linux-oem/4.15.0-1093.103 https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1050.54 https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1067.71 https://launchpad.net/ubuntu/+source/linux-aws-hwe/4.15.0-1079.83~16.04.1 https://launchpad.net/ubuntu/+source/linux-gcp/4.15.0-1080.90~16.04.1 https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1050.54~16.04.1