Ubuntu Security Notice USN-6191-1

==========================================================================Ubuntu Security Notice USN-6191-1June 29, 2023linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15,linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm,linux-oracle, linux-raspi2, linux-snapdragon regression==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 18.04 LTS- Ubuntu 16.04 LTS (Available with Ubuntu Pro)Summary:The system could show undesired warning messages in certain conditions.Software Description:- linux: Linux kernel- linux-aws: Linux kernel for Amazon Web Services (AWS) systems- linux-azure-4.15: Linux kernel for Microsoft Azure Cloud systems- linux-dell300x: Linux kernel for Dell 300x platforms- linux-gcp-4.15: Linux kernel for Google Cloud Platform (GCP) systems- linux-kvm: Linux kernel for cloud environments- linux-oracle: Linux kernel for Oracle Cloud systems- linux-raspi2: Linux kernel for Raspberry Pi systems- linux-snapdragon: Linux kernel for Qualcomm Snapdragon processors- linux-aws-hwe: Linux kernel for Amazon Web Services (AWS-HWE) systems- linux-azure: Linux kernel for Microsoft Azure Cloud systems- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems- linux-hwe: Linux hardware enablement (HWE) kernelDetails:USN-6081-1, USN-6084-1, USN-6092-1 and USN-6095-1 fixed vulnerabilities inthe Linux kernel. Unfortunately, that update introduced a spurious warningin the IPv6 subsystem. This update removes the undesired warning message.Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 18.04 LTS:   linux-image-4.15.0-1067-dell300x  4.15.0-1067.72   linux-image-4.15.0-1121-oracle  4.15.0-1121.132   linux-image-4.15.0-1134-raspi2  4.15.0-1134.142   linux-image-4.15.0-1142-kvm     4.15.0-1142.147   linux-image-4.15.0-1151-gcp     4.15.0-1151.167   linux-image-4.15.0-1152-snapdragon  4.15.0-1152.162   linux-image-4.15.0-1158-aws     4.15.0-1158.171   linux-image-4.15.0-1167-azure   4.15.0-1167.182   linux-image-4.15.0-213-generic  4.15.0-213.224   linux-image-4.15.0-213-generic-lpae  4.15.0-213.224   linux-image-4.15.0-213-lowlatency  4.15.0-213.224   linux-image-aws-lts-18.04       4.15.0.1158.156   linux-image-azure-lts-18.04     4.15.0.1167.135   linux-image-dell300x            4.15.0.1067.66   linux-image-gcp-lts-18.04       4.15.0.1151.165   linux-image-generic             4.15.0.213.196   linux-image-generic-lpae        4.15.0.213.196   linux-image-kvm                 4.15.0.1142.133   linux-image-lowlatency          4.15.0.213.196   linux-image-oracle-lts-18.04    4.15.0.1121.126   linux-image-raspi2              4.15.0.1134.129   linux-image-snapdragon          4.15.0.1152.151   linux-image-virtual             4.15.0.213.196Ubuntu 16.04 LTS (Available with Ubuntu Pro):   linux-image-4.15.0-1121-oracle  4.15.0-1121.132~16.04.1   linux-image-4.15.0-1152-gcp     4.15.0-1152.168~16.04.1   linux-image-4.15.0-1158-aws     4.15.0-1158.171~16.04.1   linux-image-4.15.0-1167-azure   4.15.0-1167.182~16.04.1   linux-image-4.15.0-213-generic  4.15.0-213.224~16.04.1   linux-image-4.15.0-213-lowlatency  4.15.0-213.224~16.04.1   linux-image-aws-hwe             4.15.0.1158.141   linux-image-azure               4.15.0.1167.151   linux-image-gcp                 4.15.0.1152.142   linux-image-generic-hwe-16.04   4.15.0.213.198   linux-image-gke                 4.15.0.1152.142   linux-image-lowlatency-hwe-16.04  4.15.0.213.198   linux-image-oem                 4.15.0.213.198   linux-image-oracle              4.15.0.1121.102   linux-image-virtual-hwe-16.04   4.15.0.213.198After a standard system update you need to reboot your computer to makeall the necessary changes.ATTENTION: Due to an unavoidable ABI change the kernel updates havebeen given a new version number, which requires you to recompile andreinstall 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 performthis as well.References:   https://launchpad.net/bugs/2020279   https://ubuntu.com/security/notices/USN-6191-1Package Information:   https://launchpad.net/ubuntu/+source/linux/4.15.0-213.224   https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1158.171   https://launchpad.net/ubuntu/+source/linux-azure-4.15/4.15.0-1167.182   https://launchpad.net/ubuntu/+source/linux-dell300x/4.15.0-1067.72   https://launchpad.net/ubuntu/+source/linux-gcp-4.15/4.15.0-1151.167   https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1142.147   https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1121.132   https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1134.142   https://launchpad.net/ubuntu/+source/linux-snapdragon/4.15.0-1152.162