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[USN-7755-3] Linux kernel (AWS FIPS) vulnerabilities

Posted on 24 September 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7755-3
September 24, 2025

linux-aws-fips vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS

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

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:
- Media drivers;
- SPI subsystem;
- USB core drivers;
- NILFS2 file system;
- IPv6 networking;
- Network traffic control;
(CVE-2025-38350, CVE-2024-47685, CVE-2024-57996, CVE-2024-53130,
CVE-2025-37752, CVE-2023-52477, CVE-2024-53131, CVE-2024-50202,
CVE-2024-27074, CVE-2024-50051)

Update instructions:

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

Ubuntu 18.04 LTS
linux-image-4.15.0-2122-aws-fips 4.15.0-2122.128
Available with Ubuntu Pro
linux-image-aws-fips 4.15.0.2122.116
Available with Ubuntu Pro
linux-image-aws-fips-4.15 4.15.0.2122.116
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-7755-3
https://ubuntu.com/security/notices/USN-7755-2
https://ubuntu.com/security/notices/USN-7755-1
CVE-2023-52477, CVE-2024-27074, CVE-2024-47685, CVE-2024-50051,
CVE-2024-50202, CVE-2024-53130, CVE-2024-53131, CVE-2024-57996,
CVE-2025-37752, CVE-2025-38350

Package Information:
https://launchpad.net/ubuntu/+source/linux-aws-fips/4.15.0-2122.128


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