[USN-7408-1] Linux kernel vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-7408-1
April 02, 2025

linux, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp,
linux-ibm, linux-kvm, linux-oracle, linux-oracle-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-azure: Linux kernel for Microsoft Azure Cloud 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-kvm: Linux kernel for cloud environments
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors
- linux-azure-5.4: Linux kernel for Microsoft Azure cloud systems
- linux-oracle-5.4: 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:
- SMB network file system;
- Network namespace;
- Networking core;
(CVE-2024-56658, CVE-2024-35864, CVE-2024-26928)

Update instructions:

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

Ubuntu 20.04 LTS
linux-image-5.4.0-1061-xilinx-zynqmp 5.4.0-1061.65
linux-image-5.4.0-1089-ibm 5.4.0-1089.94
linux-image-5.4.0-1102-bluefield 5.4.0-1102.109
linux-image-5.4.0-1130-kvm 5.4.0-1130.139
linux-image-5.4.0-1141-oracle 5.4.0-1141.151
linux-image-5.4.0-1146-gcp 5.4.0-1146.155
linux-image-5.4.0-1148-azure 5.4.0-1148.155
linux-image-5.4.0-212-generic 5.4.0-212.232
linux-image-5.4.0-212-generic-lpae 5.4.0-212.232
linux-image-5.4.0-212-lowlatency 5.4.0-212.232
linux-image-azure-lts-20.04 5.4.0.1148.142
linux-image-bluefield 5.4.0.1102.98
linux-image-gcp-lts-20.04 5.4.0.1146.148
linux-image-generic 5.4.0.212.207
linux-image-generic-lpae 5.4.0.212.207
linux-image-ibm-lts-20.04 5.4.0.1089.118
linux-image-kvm 5.4.0.1130.126
linux-image-lowlatency 5.4.0.212.207
linux-image-oem 5.4.0.212.207
linux-image-oem-osp1 5.4.0.212.207
linux-image-oracle-lts-20.04 5.4.0.1141.135
linux-image-virtual 5.4.0.212.207
linux-image-xilinx-zynqmp 5.4.0.1061.61

Ubuntu 18.04 LTS
linux-image-5.4.0-1141-oracle 5.4.0-1141.151~18.04.1
Available with Ubuntu Pro
linux-image-5.4.0-1148-azure 5.4.0-1148.155~18.04.1
Available with Ubuntu Pro
linux-image-azure 5.4.0.1148.155~18.04.1
Available with Ubuntu Pro
linux-image-oracle 5.4.0.1141.151~18.04.1
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-7408-1
CVE-2024-26928, CVE-2024-35864, CVE-2024-56658

Package Information:
https://launchpad.net/ubuntu/+source/linux/5.4.0-212.232
https://launchpad.net/ubuntu/+source/linux-azure/5.4.0-1148.155
https://launchpad.net/ubuntu/+source/linux-bluefield/5.4.0-1102.109
https://launchpad.net/ubuntu/+source/linux-gcp/5.4.0-1146.155
https://launchpad.net/ubuntu/+source/linux-ibm/5.4.0-1089.94
https://launchpad.net/ubuntu/+source/linux-kvm/5.4.0-1130.139
https://launchpad.net/ubuntu/+source/linux-oracle/5.4.0-1141.151
https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.4.0-1061.65