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Ubuntu 22.04 LTS Kernel Security Advisory USN-8013-4 CVE-2025-38561

ubuntu
Calendar Grey February 11, 2026
Dist Ubuntu Esm H88
Fixes in several security issues for Linux kernel in Ubuntu 22.04 and 20.04 addresses potential system compromises.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-nvidia-tegra-igx: Linux kernel for NVIDIA Tegra IGX systems

- linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors

- linux-aws-5.15: Linux kernel for Amazon Web Services (AWS) systems

- linux-gcp-5.15: Linux kernel for Google Cloud Platform (GCP) systems

- linux-oracle-5.15: Linux kernel for Oracle Cloud systems

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;

- SMB network file system;

(CVE-2025-38561, CVE-2025-40019)

Topics%20covered

Topics Covered

security advisory Ubuntu important Linux kernel network file system cryptographic api

Update Instructions

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

Ubuntu 22.04 LTS
   linux-image-5.15.0-1040-nvidia-tegra-igx  5.15.0-1040.40
   linux-image-5.15.0-1040-nvidia-tegra-igx-rt  5.15.0-1040.40
   linux-image-5.15.0-1063-xilinx-zynqmp  5.15.0-1063.67
   linux-image-nvidia-tegra-igx    5.15.0.1040.42
   linux-image-nvidia-tegra-igx-5.15  5.15.0.1040.42
   linux-image-nvidia-tegra-igx-rt  5.15.0.1040.42
   linux-image-nvidia-tegra-igx-rt-5.15  5.15.0.1040.42
   linux-image-xilinx-zynqmp       5.15.0.1063.66
   linux-image-xilinx-zynqmp-5.15  5.15.0.1063.66

Ubuntu 20.04 LTS
   linux-image-5.15.0-1096-oracle  5.15.0-1096.102~20.04.1
                                   Available with Ubuntu Pro
   linux-image-5.15.0-1099-aws     5.15.0-1099.106~20.04.1
                                   Available with Ubuntu Pro
   linux-image-5.15.0-1099-gcp     5.15.0-1099.108~20.04.1
                                   Available with Ubuntu Pro
   linux-image-aws                 5.15.0.1099.106~20.04.1
                                   Available with Ubuntu Pro
   linux-image-aws-5.15            5.15.0.1099.106~20.04.1
                                   Available with Ubuntu Pro
   linux-image-gcp                 5.15.0.1099.108~20.04.1
                                   Available with Ubuntu Pro
   linux-image-gcp-5.15            5.15.0.1099.108~20.04.1
                                   Available with Ubuntu Pro
   linux-image-oracle              5.15.0.1096.102~20.04.1
                                   Available with Ubuntu Pro
   linux-image-oracle-5.15         5.15.0.1096.102~20.04.1
                                   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-8013-4

https://ubuntu.com/security/notices/USN-8013-3

https://ubuntu.com/security/notices/USN-8013-2

https://ubuntu.com/security/notices/USN-8013-1

CVE-2025-38561, CVE-2025-40019

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8013-4

Topics%20covered

Topics Covered

security advisory Ubuntu important Linux kernel network file system cryptographic api

Package Information

https://launchpad.net/ubuntu/+source/linux-nvidia-tegra-igx/5.15.0-1040.40
https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.15.0-1063.67

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