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Ubuntu 24.04 LTS Kernel Critical Flaws April 2026 USN-8148-2

ubuntu
Calendar Grey April 2, 2026
Dist Ubuntu Esm H88
Ubuntu 24.04 LTS updates address critical kernel issues enhancing system security. Immediate action advised.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-aws-fips: Linux kernel for Amazon Web Services (AWS) systems with FIPS

- linux-fips: Linux kernel with FIPS

- linux-gcp-fips: Linux kernel for Google Cloud Platform (GCP) systems with

FIPS

Details:

Several security issues were discovered in the Linux kernel.

An attacker could possibly use these to compromise the system.

This update corrects flaws in the following subsystems:

- Cryptographic API;

- Netfilter;

- Network traffic control;

(CVE-2026-23060, CVE-2026-23074, CVE-2026-23111)

Topics%20covered

Topics Covered

security advisory critical Ubuntu system compromise Linux kernel flaw correction

Update Instructions

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

Ubuntu 24.04 LTS
   linux-image-6.8.0-1051-aws-fips  6.8.0-1051.54+fips1
                                   Available with Ubuntu Pro
   linux-image-6.8.0-1053-gcp-fips  6.8.0-1053.56+fips1
                                   Available with Ubuntu Pro
   linux-image-6.8.0-107-fips      6.8.0-107.107+fips1
                                   Available with Ubuntu Pro
   linux-image-aws-fips            6.8.0-1051.54+fips1
                                   Available with Ubuntu Pro
   linux-image-aws-fips-6.8        6.8.0-1051.54+fips1
                                   Available with Ubuntu Pro
   linux-image-fips                6.8.0-107.107+fips1
                                   Available with Ubuntu Pro
   linux-image-fips-6.8            6.8.0-107.107+fips1
                                   Available with Ubuntu Pro
   linux-image-gcp-fips            6.8.0-1053.56+fips1
                                   Available with Ubuntu Pro
   linux-image-gcp-fips-6.8        6.8.0-1053.56+fips1
                                   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

https://ubuntu.com/security/notices/USN-8148-2

https://ubuntu.com/security/notices/USN-8148-1

CVE-2026-23060, CVE-2026-23074, CVE-2026-23111

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8148-2

Topics%20covered

Topics Covered

security advisory critical Ubuntu system compromise Linux kernel flaw correction

Package Information

https://launchpad.net/ubuntu/+source/linux-aws-fips/6.8.0-1051.54+fips1
https://launchpad.net/ubuntu/+source/linux-fips/6.8.0-107.107+fips1
https://launchpad.net/ubuntu/+source/linux-gcp-fips/6.8.0-1053.56+fips1

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