The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: linux-image-4.15.0-1140-kvm 4.15.0-1140.145 linux-image-4.15.0-1156-aws 4.15.0-1156.169 linux-image-4.15.0-211-generic 4.15.0-211.222 linux-image-4.15.0-211-generic-lpae 4.15.0-211.222 linux-image-4.15.0-211-lowlatency 4.15.0-211.222 linux-image-aws-lts-18.04 4.15.0.1156.154 linux-image-generic 4.15.0.211.194 linux-image-generic-lpae 4.15.0.211.194 linux-image-kvm 4.15.0.1140.131 linux-image-lowlatency 4.15.0.211.194 linux-image-virtual 4.15.0.211.194 Ubuntu 16.04 ESM: linux-image-4.15.0-1156-aws 4.15.0-1156.169~16.04.1 linux-image-aws-hwe 4.15.0.1156.139 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.
https://ubuntu.com/security/notices/USN-6081-1
CVE-2023-0459, CVE-2023-1118, CVE-2023-1513, CVE-2023-2162,
CVE-2023-32269
https://launchpad.net/ubuntu/+source/linux/4.15.0-211.222 https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1156.169 https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1140.145
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