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==========================================================================
Ubuntu Security Notice USN-7554-3
June 04, 2025

linux-fips vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-fips: Linux kernel 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:
  - Block layer subsystem;
  - Clock framework and drivers;
  - GPU drivers;
  - Parport drivers;
  - Ext4 file system;
  - JFFS2 file system;
  - JFS file system;
  - File systems infrastructure;
  - Sun RPC protocol;
  - USB sound devices;
(CVE-2024-42301, CVE-2024-26966, CVE-2023-52458, CVE-2024-47701,
CVE-2024-53155, CVE-2021-47211, CVE-2024-57850, CVE-2024-56551,
CVE-2021-47353, CVE-2024-56596, CVE-2024-53168)

Update instructions:

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

Ubuntu 16.04 LTS
  linux-image-4.4.0-1114-fips     4.4.0-1114.121
                                  Available with Ubuntu Pro
  linux-image-fips                4.4.0.1114.115
                                  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-7554-3
  https://ubuntu.com/security/notices/USN-7554-2
  https://ubuntu.com/security/notices/USN-7554-1
  CVE-2021-47211, CVE-2021-47353, CVE-2023-52458, CVE-2024-26966,
  CVE-2024-42301, CVE-2024-47701, CVE-2024-53155, CVE-2024-53168,
  CVE-2024-56551, CVE-2024-56596, CVE-2024-57850

Package Information:
  https://launchpad.net/ubuntu/+source/linux-fips/4.4.0-1114.121


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