1. Ubuntu Security Notices
  2. USN-7262-1

USN-7262-1: Linux kernel vulnerabilities

Publication date

10 February 2025

Overview

Several security issues were fixed in the Linux kernel.

Releases

Packages

  • linux - Linux kernel
  • linux-aws - Linux kernel for Amazon Web Services (AWS) systems
  • linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty

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:

  • Multiple devices driver;
  • Network drivers;
  • Sonic Silicon Backplane drivers;
  • File systems infrastructure;
  • Closures library;
  • Netfilter

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:

  • Multiple devices driver;
  • Network drivers;
  • Sonic Silicon Backplane drivers;
  • File systems infrastructure;
  • Closures library;
  • Netfilter

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
16.04 xenial linux-image-4.4.0-1178-aws –  4.4.0-1178.193  
linux-image-4.4.0-263-generic –  4.4.0-263.297  
linux-image-4.4.0-263-lowlatency –  4.4.0-263.297  
linux-image-aws –  4.4.0.1178.182  
linux-image-generic –  4.4.0.263.269  
linux-image-generic-lts-xenial –  4.4.0.263.269  
linux-image-lowlatency –  4.4.0.263.269  
linux-image-lowlatency-lts-xenial –  4.4.0.263.269  
linux-image-virtual –  4.4.0.263.269  
linux-image-virtual-lts-xenial –  4.4.0.263.269  
14.04 trusty linux-image-4.4.0-1140-aws –  4.4.0-1140.146  
linux-image-4.4.0-263-generic –  4.4.0-263.297~14.04.1  
linux-image-4.4.0-263-lowlatency –  4.4.0-263.297~14.04.1  
linux-image-aws –  4.4.0.1140.137  
linux-image-generic-lts-xenial –  4.4.0.263.297~14.04.1  
linux-image-lowlatency-lts-xenial –  4.4.0.263.297~14.04.1  
linux-image-virtual-lts-xenial –  4.4.0.263.297~14.04.1  

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References

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