=========================================================================Ubuntu Security Notice USN-5346-1
March 24, 2022

linux-oem-5.14 vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

The system could be made to crash if it received specially crafted
network traffic.

Software Description:
- linux-oem-5.14: Linux kernel for OEM systems

Details:

It was discovered that the ICMPv6 implementation in the Linux kernel did
not properly deallocate memory in certain situations. A remote attacker
could possibly use this to cause a denial of service (memory exhaustion).

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  linux-image-5.14.0-1029-oem     5.14.0-1029.32
  linux-image-oem-20.04           5.14.0.1029.26
  linux-image-oem-20.04b          5.14.0.1029.26
  linux-image-oem-20.04c          5.14.0.1029.26
  linux-image-oem-20.04d          5.14.0.1029.26

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-5346-1
  CVE-2022-0742

Package Information:
  https://launchpad.net/ubuntu/+source/linux-oem-5.14/5.14.0-1029.32

Ubuntu 5346-1: Linux kernel (OEM) vulnerability

March 24, 2022
The system could be made to crash if it received specially crafted network traffic.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: linux-image-5.14.0-1029-oem 5.14.0-1029.32 linux-image-oem-20.04 5.14.0.1029.26 linux-image-oem-20.04b 5.14.0.1029.26 linux-image-oem-20.04c 5.14.0.1029.26 linux-image-oem-20.04d 5.14.0.1029.26 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-5346-1

CVE-2022-0742

Severity
March 24, 2022

Package Information

https://launchpad.net/ubuntu/+source/linux-oem-5.14/5.14.0-1029.32

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