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Ubuntu 20.04 LTS USN-5106-1 Critical: Linux Kernel Security Fixes

ubuntu
Calendar Grey October 6, 2021
Dist Ubuntu Esm H88
An advisory from October 2021 outlines several vulnerabilities in the Linux kernel affecting Ubuntu 20.04 LTS, urging users to update swiftly to reduce security risks
Several security issues were fixed in the Linux kernel.

Summary

Topics%20covered

Topics Covered

security advisory denial of service kernel update critical arbitrary code ubuntu linux kernel

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.10.0-1049-oem 5.10.0-1049.51 linux-image-oem-20.04 5.10.0.1049.51 linux-image-oem-20.04b 5.10.0.1049.51 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-5106-1

CVE-2020-26541, CVE-2021-22543, CVE-2021-3612, CVE-2021-38160,

CVE-2021-38199, CVE-2021-41073

Severity
critical
Lowest
Low
Medium
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Critical

October 06, 2021

Topics%20covered

Topics Covered

security advisory denial of service kernel update critical arbitrary code ubuntu linux kernel

Package Information

https://launchpad.net/ubuntu/+source/linux-oem-5.10/5.10.0-1049.51

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