1. Ubuntu Security Notices
  2. USN-7461-1

USN-7461-1: Linux kernel vulnerabilities

Publication date

24 April 2025

Overview

Several security issues were fixed in the Linux kernel.

Releases

Packages

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

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

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

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.

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

Ubuntu Release Package Version
20.04 focal linux-image-5.4.0-1090-ibm –  5.4.0-1090.95
linux-image-5.4.0-1103-bluefield –  5.4.0-1103.110
linux-image-5.4.0-1131-kvm –  5.4.0-1131.140
linux-image-5.4.0-1142-oracle –  5.4.0-1142.152
linux-image-5.4.0-1147-gcp –  5.4.0-1147.156
linux-image-5.4.0-1149-azure –  5.4.0-1149.156
linux-image-5.4.0-214-generic –  5.4.0-214.234
linux-image-5.4.0-214-generic-lpae –  5.4.0-214.234
linux-image-5.4.0-214-lowlatency –  5.4.0-214.234
linux-image-azure-lts-20.04 –  5.4.0.1149.143
linux-image-bluefield –  5.4.0.1103.99
linux-image-gcp-lts-20.04 –  5.4.0.1147.149
linux-image-generic –  5.4.0.214.207
linux-image-generic-lpae –  5.4.0.214.207
linux-image-ibm-lts-20.04 –  5.4.0.1090.119
linux-image-kvm –  5.4.0.1131.127
linux-image-lowlatency –  5.4.0.214.207
linux-image-oem –  5.4.0.214.207
linux-image-oem-osp1 –  5.4.0.214.207
linux-image-oracle-lts-20.04 –  5.4.0.1142.136
linux-image-virtual –  5.4.0.214.207
18.04 bionic linux-image-5.4.0-1142-oracle –  5.4.0-1142.152~18.04.1  
linux-image-5.4.0-1149-azure –  5.4.0-1149.156~18.04.1  
linux-image-5.4.0-214-generic –  5.4.0-214.234~18.04.1  
linux-image-5.4.0-214-lowlatency –  5.4.0-214.234~18.04.1  
linux-image-azure –  5.4.0.1149.156~18.04.1  
linux-image-generic-hwe-18.04 –  5.4.0.214.234~18.04.1  
linux-image-lowlatency-hwe-18.04 –  5.4.0.214.234~18.04.1  
linux-image-oem –  5.4.0.214.234~18.04.1  
linux-image-oem-osp1 –  5.4.0.214.234~18.04.1  
linux-image-oracle –  5.4.0.1142.152~18.04.1  
linux-image-snapdragon-hwe-18.04 –  5.4.0.214.234~18.04.1  
linux-image-virtual-hwe-18.04 –  5.4.0.214.234~18.04.1  

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References

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