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Ubuntu 20.04 LTS USN-5791-2 Moderate: Linux Kernel DoS Risks

ubuntu
Calendar Grey January 9, 2023
Dist Ubuntu Esm H88
Mitigating numerous weaknesses within the Linux kernel associated with Ubuntu 20.04 LTS to safeguard against prospective risks.
Several security issues were fixed in the Linux kernel.

Summary

Topics%20covered

Topics Covered

security advisory denial of service system update local attack ubuntu linux kernel linux-azure

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.4.0-1100-azure 5.4.0-1100.106 linux-image-azure-lts-20.04 5.4.0.1100.93 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-5791-2

https://ubuntu.com/security/notices/USN-5791-1

CVE-2022-20421, CVE-2022-2663, CVE-2022-3061, CVE-2022-3303,

CVE-2022-3586, CVE-2022-3646, CVE-2022-39842, CVE-2022-40307,

CVE-2022-4095, CVE-2022-43750

January 09, 2023

Topics%20covered

Topics Covered

security advisory denial of service system update local attack ubuntu linux kernel linux-azure

Package Information

https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1100.106

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