Tuesday, September 16, 2025

[USN-7754-1] Linux kernel vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-7754-1
September 17, 2025

linux, linux-aws, linux-aws-5.4, linux-bluefield, linux-gcp,
linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot,
linux-kvm, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp
vulnerabilities
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux: Linux kernel
- linux-aws: Linux kernel for Amazon Web Services (AWS) systems
- linux-bluefield: Linux kernel for NVIDIA BlueField platforms
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-ibm: Linux kernel for IBM cloud systems
- linux-iot: Linux kernel for IoT platforms
- linux-kvm: Linux kernel for cloud environments
- linux-raspi: Linux kernel for Raspberry Pi systems
- linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors
- linux-aws-5.4: Linux kernel for Amazon Web Services (AWS) systems
- linux-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) systems
- linux-hwe-5.4: Linux hardware enablement (HWE) kernel
- linux-ibm-5.4: Linux kernel for IBM cloud systems
- linux-raspi-5.4: Linux kernel for Raspberry Pi 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:
- Network traffic control;
(CVE-2025-38350, CVE-2025-37752, CVE-2024-57996)

Update instructions:

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

Ubuntu 20.04 LTS
linux-image-5.4.0-1054-iot 5.4.0-1054.57
Available with Ubuntu Pro
linux-image-5.4.0-1068-xilinx-zynqmp 5.4.0-1068.72
Available with Ubuntu Pro
linux-image-5.4.0-1096-ibm 5.4.0-1096.101
Available with Ubuntu Pro
linux-image-5.4.0-1109-bluefield 5.4.0-1109.116
Available with Ubuntu Pro
linux-image-5.4.0-1133-raspi 5.4.0-1133.146
Available with Ubuntu Pro
linux-image-5.4.0-1137-kvm 5.4.0-1137.146
Available with Ubuntu Pro
linux-image-5.4.0-1150-aws 5.4.0-1150.160
Available with Ubuntu Pro
linux-image-5.4.0-1153-gcp 5.4.0-1153.162
Available with Ubuntu Pro
linux-image-5.4.0-221-generic 5.4.0-221.241
Available with Ubuntu Pro
linux-image-5.4.0-221-generic-lpae 5.4.0-221.241
Available with Ubuntu Pro
linux-image-5.4.0-221-lowlatency 5.4.0-221.241
Available with Ubuntu Pro
linux-image-aws-5.4 5.4.0.1150.147
Available with Ubuntu Pro
linux-image-aws-lts-20.04 5.4.0.1150.147
Available with Ubuntu Pro
linux-image-bluefield 5.4.0.1109.105
Available with Ubuntu Pro
linux-image-bluefield-5.4 5.4.0.1109.105
Available with Ubuntu Pro
linux-image-gcp-5.4 5.4.0.1153.155
Available with Ubuntu Pro
linux-image-gcp-lts-20.04 5.4.0.1153.155
Available with Ubuntu Pro
linux-image-generic 5.4.0.221.213
Available with Ubuntu Pro
linux-image-generic-5.4 5.4.0.221.213
Available with Ubuntu Pro
linux-image-generic-lpae 5.4.0.221.213
Available with Ubuntu Pro
linux-image-generic-lpae-5.4 5.4.0.221.213
Available with Ubuntu Pro
linux-image-ibm-5.4 5.4.0.1096.125
Available with Ubuntu Pro
linux-image-ibm-lts-20.04 5.4.0.1096.125
Available with Ubuntu Pro
linux-image-kvm 5.4.0.1137.133
Available with Ubuntu Pro
linux-image-kvm-5.4 5.4.0.1137.133
Available with Ubuntu Pro
linux-image-lowlatency 5.4.0.221.213
Available with Ubuntu Pro
linux-image-lowlatency-5.4 5.4.0.221.213
Available with Ubuntu Pro
linux-image-oem 5.4.0.221.213
Available with Ubuntu Pro
linux-image-oem-osp1 5.4.0.221.213
Available with Ubuntu Pro
linux-image-raspi 5.4.0.1133.164
Available with Ubuntu Pro
linux-image-raspi-5.4 5.4.0.1133.164
Available with Ubuntu Pro
linux-image-raspi2 5.4.0.1133.164
Available with Ubuntu Pro
linux-image-virtual 5.4.0.221.213
Available with Ubuntu Pro
linux-image-virtual-5.4 5.4.0.221.213
Available with Ubuntu Pro
linux-image-xilinx-zynqmp 5.4.0.1068.68
Available with Ubuntu Pro
linux-image-xilinx-zynqmp-5.4 5.4.0.1068.68
Available with Ubuntu Pro

Ubuntu 18.04 LTS
linux-image-5.4.0-1096-ibm 5.4.0-1096.101~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-1133-raspi 5.4.0-1133.146~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-1150-aws 5.4.0-1150.160~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-1153-gcp 5.4.0-1153.162~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-221-generic 5.4.0-221.241~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-221-lowlatency 5.4.0-221.241~18.04.1
Available with Ubuntu Pro
linux-image-aws 5.4.0.1150.160~18.04.1
Available with Ubuntu Pro
linux-image-aws-5.4 5.4.0.1150.160~18.04.1
Available with Ubuntu Pro
linux-image-gcp 5.4.0.1153.162~18.04.1
Available with Ubuntu Pro
linux-image-gcp-5.4 5.4.0.1153.162~18.04.1
Available with Ubuntu Pro
linux-image-generic-5.4 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-generic-hwe-18.04 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-ibm 5.4.0.1096.101~18.04.1
Available with Ubuntu Pro
linux-image-ibm-5.4 5.4.0.1096.101~18.04.1
Available with Ubuntu Pro
linux-image-lowlatency-5.4 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-lowlatency-hwe-18.04 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-oem 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-oem-osp1 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-raspi-5.4 5.4.0.1133.146~18.04.1
Available with Ubuntu Pro
linux-image-raspi-hwe-18.04 5.4.0.1133.146~18.04.1
Available with Ubuntu Pro
linux-image-snapdragon-5.4 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-snapdragon-hwe-18.04 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-virtual-5.4 5.4.0.221.241~18.04.1
Available with Ubuntu Pro
linux-image-virtual-hwe-18.04 5.4.0.221.241~18.04.1
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-7754-1
CVE-2024-57996, CVE-2025-37752, CVE-2025-38350

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