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AUSCERT External Security Bulletin Redistribution
ESB-2023.3850
USN-6211-1: Linux kernel (Azure) regression
10 July 2023
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AusCERT Security Bulletin Summary
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Product: Linux kernel (Azure)
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
Original Bulletin:
https://ubuntu.com/security/notices/USN-6211-1
Comment: CVSS (Max): None available when published
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USN-6211-1: Linux kernel (Azure) regression
7 July 2023
The system could show undesired warning messages in certain conditions.
Releases
o Ubuntu 14.04 ESM
Packages
o linux-azure – Linux kernel for Microsoft Azure Cloud systems
Details
USN-6130-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that
update introduced a spurious warning in the IPv6 subsystem. This update
removes the undesired warning message.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 14.04
o linux-image-azure – 4.15.0.1167.133
Available with Ubuntu Pro
o linux-image-4.15.0-1167-azure – 4.15.0-1167.182~14.04.1
Available with Ubuntu Pro
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
o https://launchpad.net/bugs/2020279
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The University of Queensland
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