Ubuntu 5208-1: Linux kernel vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: linux-image-5.13.0-1007-kvm 5.13.0-1007.7 linux-image-5.13.0-1008-aws 5.13.0-1008.9 linux-image-5.13.0-1008-gcp 5.13.0-1008.9 linux-image-5.13.0-1009-azure 5.13.0-1009.10 linux-image-5.13.0-1011-oracle 5.13.0-1011.13 linux-image-5.13.0-1012-raspi 5.13.0-1012.14 linux-image-5.13.0-1012-raspi-nolpae 5.13.0-1012.14 linux-image-5.13.0-23-generic 5.13.0-23.23 linux-image-5.13.0-23-generic-64k 5.13.0-23.23 linux-image-5.13.0-23-generic-lpae 5.13.0-23.23 linux-image-5.13.0-23-lowlatency 5.13.0-23.23 linux-image-aws 5.13.0.1008.10 linux-image-azure 5.13.0.1009.10 linux-image-gcp 5.13.0.1008.9 linux-image-generic 5.13.0.23.34 linux-image-generic-64k 5.13.0.23.34 linux-image-generic-lpae 5.13.0.23.34 linux-image-gke 5.13.0.1008.9 linux-image-kvm 5.13.0.1007.7 linux-image-lowlatency 5.13.0.23.34 linux-image-oem-20.04 5.13.0.23.34 linux-image-oracle 5.13.0.1011.13 linux-image-raspi 5.13.0.1012.18 linux-image-raspi-nolpae 5.13.0.1012.18 linux-image-virtual 5.13.0.23.34 Ubuntu 21.04: linux-image-5.11.0-1021-kvm 5.11.0-1021.23 linux-image-5.11.0-1023-aws 5.11.0-1023.24 linux-image-5.11.0-1023-azure 5.11.0-1023.24 linux-image-5.11.0-1023-oracle 5.11.0-1023.24 linux-image-5.11.0-1024-gcp 5.11.0-1024.26 linux-image-5.11.0-1024-raspi 5.11.0-1024.26 linux-image-5.11.0-1024-raspi-nolpae 5.11.0-1024.26 linux-image-5.11.0-44-generic 5.11.0-44.48 linux-image-5.11.0-44-generic-64k 5.11.0-44.48 linux-image-5.11.0-44-generic-lpae 5.11.0-44.48 linux-image-5.11.0-44-lowlatency 5.11.0-44.48 linux-image-aws 5.11.0.1023.24 linux-image-azure 5.11.0.1023.24 linux-image-gcp 5.11.0.1024.24 linux-image-generic 5.11.0.44.44 linux-image-generic-64k 5.11.0.44.44 linux-image-generic-lpae 5.11.0.44.44 linux-image-gke 5.11.0.1024.24 linux-image-kvm 5.11.0.1021.22 linux-image-lowlatency 5.11.0.44.44 linux-image-oem-20.04 5.11.0.44.44 linux-image-oracle 5.11.0.1023.24 linux-image-raspi 5.11.0.1024.22 linux-image-raspi-nolpae 5.11.0.1024.22 linux-image-virtual 5.11.0.44.44 Ubuntu 20.04 LTS: linux-image-5.11.0-1023-aws 5.11.0-1023.24~20.04.1 linux-image-5.11.0-1023-azure 5.11.0-1023.24~20.04.1 linux-image-5.11.0-1023-oracle 5.11.0-1023.24~20.04.1 linux-image-5.11.0-1024-gcp 5.11.0-1024.26~20.04.1 linux-image-5.11.0-44-generic 5.11.0-44.48~20.04.2 linux-image-5.11.0-44-generic-64k 5.11.0-44.48~20.04.2 linux-image-5.11.0-44-generic-lpae 5.11.0-44.48~20.04.2 linux-image-5.11.0-44-lowlatency 5.11.0-44.48~20.04.2 linux-image-aws 5.11.0.1023.24~20.04.23 linux-image-azure 5.11.0.1023.24~20.04.23 linux-image-gcp 5.11.0.1024.26~20.04.24 linux-image-generic-64k-hwe-20.04 5.11.0.44.48~20.04.22 linux-image-generic-hwe-20.04 5.11.0.44.48~20.04.22 linux-image-generic-lpae-hwe-20.04 5.11.0.44.48~20.04.22 linux-image-lowlatency-hwe-20.04 5.11.0.44.48~20.04.22 linux-image-oracle 5.11.0.1023.24~20.04.16 linux-image-virtual-hwe-20.04 5.11.0.44.48~20.04.22 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-5208-1
CVE-2021-20321, CVE-2021-3760, CVE-2021-4002, CVE-2021-41864,
CVE-2021-43056, CVE-2021-43267, CVE-2021-43389
Package Information
https://launchpad.net/ubuntu/+source/linux/5.13.0-23.23 https://launchpad.net/ubuntu/+source/linux-aws/5.13.0-1008.9 https://launchpad.net/ubuntu/+source/linux-azure/5.13.0-1009.10 https://launchpad.net/ubuntu/+source/linux-gcp/5.13.0-1008.9 https://launchpad.net/ubuntu/+source/linux-kvm/5.13.0-1007.7 https://launchpad.net/ubuntu/+source/linux-oracle/5.13.0-1011.13 https://launchpad.net/ubuntu/+source/linux-raspi/5.13.0-1012.14 https://launchpad.net/ubuntu/+source/linux/5.11.0-44.48 https://launchpad.net/ubuntu/+source/linux-aws/5.11.0-1023.24 https://launchpad.net/ubuntu/+source/linux-azure/5.11.0-1023.24 https://launchpad.net/ubuntu/+source/linux-gcp/5.11.0-1024.26 https://launchpad.net/ubuntu/+source/linux-kvm/5.11.0-1021.23 https://launchpad.net/ubuntu/+source/linux-oracle/5.11.0-1023.24 https://launchpad.net/ubuntu/+source/linux-raspi/5.11.0-1024.26 https://launchpad.net/ubuntu/+source/linux-aws-5.11/5.11.0-1023.24~20.04.1 https://launchpad.net/ubuntu/+source/linux-azure-5.11/5.11.0-1023.24~20.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-5.11/5.11.0-1024.26~20.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-5.11/5.11.0-44.48~20.04.2 https://launchpad.net/ubuntu/+source/linux-oracle-5.11/5.11.0-1023.24~20.04.1