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==========================================================================
Ubuntu Security Notice USN-7627-2
July 08, 2025
linux-fips, linux-aws-fips, linux-azure-fips, linux-gcp-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
- linux-azure-fips: Linux kernel for Microsoft Azure Cloud 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:
- PowerPC architecture;
- Block layer subsystem;
- ACPI drivers;
- NILFS2 file system;
- File systems infrastructure;
- Memory management;
- Network traffic control;
- USB sound devices;
(CVE-2025-37932, CVE-2024-53197, CVE-2024-50116, CVE-2021-47379,
CVE-2024-49958, CVE-2022-49179, CVE-2024-46787, CVE-2024-41070,
CVE-2025-38000, CVE-2024-56662, CVE-2022-49176, CVE-2025-37798)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS
linux-image-4.15.0-1137-fips 4.15.0-1137.148
Available with Ubuntu Pro
linux-image-4.15.0-2083-gcp-fips 4.15.0-2083.89
Available with Ubuntu Pro
linux-image-4.15.0-2099-azure-fips 4.15.0-2099.105
Available with Ubuntu Pro
linux-image-4.15.0-2120-aws-fips 4.15.0-2120.126
Available with Ubuntu Pro
linux-image-aws-fips 4.15.0.2120.114
Available with Ubuntu Pro
linux-image-aws-fips-4.15 4.15.0.2120.114
Available with Ubuntu Pro
linux-image-azure-fips 4.15.0.2099.95
Available with Ubuntu Pro
linux-image-fips 4.15.0.1137.134
Available with Ubuntu Pro
linux-image-gcp-fips 4.15.0.2083.81
Available with Ubuntu Pro
linux-image-gcp-fips-4.15 4.15.0.2083.81
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-7627-2
https://ubuntu.com/security/notices/USN-7627-1
CVE-2021-47379, CVE-2022-49176, CVE-2022-49179, CVE-2024-41070,
CVE-2024-46787, CVE-2024-49958, CVE-2024-50116, CVE-2024-53197,
CVE-2024-56662, CVE-2025-37798, CVE-2025-37932, CVE-2025-38000
Package Information:
https://launchpad.net/ubuntu/+source/linux-aws-fips/4.15.0-2120.126
https://launchpad.net/ubuntu/+source/linux-azure-fips/4.15.0-2099.105
https://launchpad.net/ubuntu/+source/linux-fips/4.15.0-1137.148
https://launchpad.net/ubuntu/+source/linux-gcp-fips/4.15.0-2083.89
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