Ubuntu 4681-1: Linux kernel vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS: linux-image-4.4.0-1085-kvm 4.4.0-1085.94 linux-image-4.4.0-1119-aws 4.4.0-1119.133 linux-image-4.4.0-1143-raspi2 4.4.0-1143.153 linux-image-4.4.0-1147-snapdragon 4.4.0-1147.157 linux-image-4.4.0-198-generic 4.4.0-198.230 linux-image-4.4.0-198-generic-lpae 4.4.0-198.230 linux-image-4.4.0-198-lowlatency 4.4.0-198.230 linux-image-4.4.0-198-powerpc-e500mc 4.4.0-198.230 linux-image-4.4.0-198-powerpc-smp 4.4.0-198.230 linux-image-4.4.0-198-powerpc64-emb 4.4.0-198.230 linux-image-4.4.0-198-powerpc64-smp 4.4.0-198.230 linux-image-aws 4.4.0.1119.124 linux-image-generic 4.4.0.198.204 linux-image-generic-lpae 4.4.0.198.204 linux-image-kvm 4.4.0.1085.83 linux-image-lowlatency 4.4.0.198.204 linux-image-powerpc-e500mc 4.4.0.198.204 linux-image-powerpc-smp 4.4.0.198.204 linux-image-powerpc64-emb 4.4.0.198.204 linux-image-powerpc64-smp 4.4.0.198.204 linux-image-raspi2 4.4.0.1143.143 linux-image-snapdragon 4.4.0.1147.139 linux-image-virtual 4.4.0.198.204 Ubuntu 14.04 ESM: linux-image-4.4.0-1083-aws 4.4.0-1083.87 linux-image-4.4.0-198-generic 4.4.0-198.230~14.04.1 linux-image-4.4.0-198-generic-lpae 4.4.0-198.230~14.04.1 linux-image-4.4.0-198-lowlatency 4.4.0-198.230~14.04.1 linux-image-4.4.0-198-powerpc-e500mc 4.4.0-198.230~14.04.1 linux-image-4.4.0-198-powerpc-smp 4.4.0-198.230~14.04.1 linux-image-4.4.0-198-powerpc64-emb 4.4.0-198.230~14.04.1 linux-image-4.4.0-198-powerpc64-smp 4.4.0-198.230~14.04.1 linux-image-aws 4.4.0.1083.80 linux-image-generic-lpae-lts-xenial 4.4.0.198.173 linux-image-generic-lts-xenial 4.4.0.198.173 linux-image-lowlatency-lts-xenial 4.4.0.198.173 linux-image-powerpc-e500mc-lts-xenial 4.4.0.198.173 linux-image-powerpc-smp-lts-xenial 4.4.0.198.173 linux-image-powerpc64-emb-lts-xenial 4.4.0.198.173 linux-image-powerpc64-smp-lts-xenial 4.4.0.198.173 linux-image-virtual-lts-xenial 4.4.0.198.173 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-4681-1
CVE-2019-0148, CVE-2020-25656, CVE-2020-25668, CVE-2020-27675,
CVE-2020-28974, CVE-2020-4788
Package Information
https://launchpad.net/ubuntu/+source/linux/4.4.0-198.230 https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1119.133 https://launchpad.net/ubuntu/+source/linux-kvm/4.4.0-1085.94 https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1143.153 https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1147.157