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Ubuntu 20.04 LTS USN-5789-1 Critical: Multiple Kernel Issues Resolved

ubuntu
Calendar Grey January 5, 2023
Dist Ubuntu Esm H88
The latest patch for Ubuntu 20.04 LTS resolves various vulnerabilities within the Linux kernel, focusing on threats linked to remote exploitation and potential service interruptions.
Several security issues were fixed in the Linux kernel.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.14.0-1055-oem 5.14.0-1055.62 linux-image-oem-20.04 5.14.0.1055.53 linux-image-oem-20.04b 5.14.0.1055.53 linux-image-oem-20.04c 5.14.0.1055.53 linux-image-oem-20.04d 5.14.0.1055.53 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-5789-1

CVE-2022-26365, CVE-2022-33743, CVE-2022-3524, CVE-2022-3564,

CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621,

CVE-2022-42703, CVE-2022-43945

Severity
critical
Lowest
Low
Medium
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Critical

January 05, 2023

Package Information

https://launchpad.net/ubuntu/+source/linux-oem-5.14/5.14.0-1055.62

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