Ubuntu 5267-2: Linux kernel regression
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.4.0-1014-ibm 5.4.0-1014.15 linux-image-5.4.0-1055-kvm 5.4.0-1055.57 linux-image-5.4.0-1063-oracle 5.4.0-1063.67 linux-image-5.4.0-1064-gcp 5.4.0-1064.68 linux-image-5.4.0-1065-aws 5.4.0-1065.68 linux-image-5.4.0-99-generic 5.4.0-99.112 linux-image-5.4.0-99-generic-lpae 5.4.0-99.112 linux-image-5.4.0-99-lowlatency 5.4.0-99.112 linux-image-aws-lts-20.04 5.4.0.1065.67 linux-image-gcp-lts-20.04 5.4.0.1064.74 linux-image-generic 5.4.0.99.103 linux-image-generic-lpae 5.4.0.99.103 linux-image-ibm 5.4.0.1014.15 linux-image-ibm-lts-20.04 5.4.0.1014.15 linux-image-kvm 5.4.0.1055.54 linux-image-lowlatency 5.4.0.99.103 linux-image-oem 5.4.0.99.103 linux-image-oem-osp1 5.4.0.99.103 linux-image-oracle-lts-20.04 5.4.0.1063.63 linux-image-virtual 5.4.0.99.103 Ubuntu 18.04 LTS: linux-image-5.4.0-1063-oracle 5.4.0-1063.67~18.04.1 linux-image-5.4.0-1064-gcp 5.4.0-1064.68~18.04.1 linux-image-5.4.0-99-generic 5.4.0-99.112~18.04.1 linux-image-5.4.0-99-generic-lpae 5.4.0-99.112~18.04.1 linux-image-5.4.0-99-lowlatency 5.4.0-99.112~18.04.1 linux-image-aws 5.4.0.1065.47 linux-image-gcp 5.4.0.1064.49 linux-image-generic-hwe-18.04 5.4.0.99.112~18.04.86 linux-image-generic-lpae-hwe-18.04 5.4.0.99.112~18.04.86 linux-image-lowlatency-hwe-18.04 5.4.0.99.112~18.04.86 linux-image-oem 5.4.0.99.112~18.04.86 linux-image-oem-osp1 5.4.0.99.112~18.04.86 linux-image-oracle 5.4.0.1063.67~18.04.42 linux-image-snapdragon-hwe-18.04 5.4.0.99.112~18.04.86 linux-image-virtual-hwe-18.04 5.4.0.99.112~18.04.86 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-5267-2
https://ubuntu.com/security/notices/USN-5267-1
https://launchpad.net/bugs/1959665
Package Information
https://launchpad.net/ubuntu/+source/linux/5.4.0-99.112 https://launchpad.net/ubuntu/+source/linux-aws/5.4.0-1065.68 https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1064.68 https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1014.15 https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1055.57 https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1063.67 https://launchpad.net/ubuntu/+source/linux-aws-5.4/5.4.0-1065.68~18.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.4/5.4.0-1064.68~18.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-99.112~18.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-5.4/5.4.0-1063.67~18.04.1