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Ubuntu 22.04 LTS: USN-5799-1 Critical: Linux Kernel Denial Of Service

ubuntu
Calendar Grey January 11, 2023
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-5799-1 reveals a critical kernel vulnerability leading to potential system failures and unauthorized access risks
The system could be made to crash or run programs as an administrator.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: linux-image-5.17.0-1026-oem 5.17.0-1026.27 linux-image-6.0.0-1010-oem 6.0.0-1010.10 linux-image-oem-22.04 5.17.0.1026.24 linux-image-oem-22.04a 5.17.0.1026.24 linux-image-oem-22.04b 6.0.0.1010.10 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-5799-1

CVE-2022-4378

Severity
critical
Lowest
Low
Medium
High
Critical

January 11, 2023

Package Information

https://launchpad.net/ubuntu/+source/linux-oem-5.17/5.17.0-1026.27 https://launchpad.net/ubuntu/+source/linux-oem-6.0/6.0.0-1010.10

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