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==========================================================================
Ubuntu Security Notice USN-7461-2
April 24, 2025
linux-azure-fips, linux-fips, linux-gcp-fips vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description:
- 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:
- GPU drivers;
- Network drivers;
- File systems infrastructure;
- Ext4 file system;
- Network file system (NFS) server daemon;
- Bluetooth subsystem;
- IPv6 networking;
- Network traffic control;
(CVE-2021-47119, CVE-2024-35958, CVE-2025-21700, CVE-2024-53237,
CVE-2024-46826, CVE-2025-21703, CVE-2024-49974, CVE-2025-21702,
CVE-2024-56651, CVE-2024-26915, CVE-2024-50256)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS
linux-image-5.4.0-1118-fips 5.4.0-1118.128
Available with Ubuntu Pro
linux-image-5.4.0-1147-gcp-fips 5.4.0-1147.156+fips1
Available with Ubuntu Pro
linux-image-5.4.0-1149-azure-fips 5.4.0-1149.157+fips1
Available with Ubuntu Pro
linux-image-azure-fips 5.4.0.1149.87
Available with Ubuntu Pro
linux-image-fips 5.4.0.1118.115
Available with Ubuntu Pro
linux-image-gcp-fips 5.4.0.1147.89
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-7461-2
https://ubuntu.com/security/notices/USN-7461-1
CVE-2021-47119, CVE-2024-26915, CVE-2024-35958, CVE-2024-46826,
CVE-2024-49974, CVE-2024-50256, CVE-2024-53237, CVE-2024-56651,
CVE-2025-21700, CVE-2025-21702, CVE-2025-21703
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