Critical Security Vulnerabilities in Linux Kernel Packages: USN-7649-1

linux Updated 03 Oct 2025

Summary

17/07/2025
N/A
Yes i
Unrated
Not published

USN-7649-1: linux, linux-gcp, linux-raspi, linux-realtime vulnerabilities. Affects linux versions < 6.14.0-24.24. Fixed in 6.14.0-24.24. How to fix ↓

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Background

The Linux kernel is the core component of the Linux operating system, responsible for managing hardware resources and providing essential services to applications. It supports a wide range of architectures and is known for its stability and performance. However, recent vulnerabilities have been identified in various subsystems of the kernel, affecting its security and potentially compromising systems running specific versions.

Vulnerability Detail

Several security issues were discovered in the Linux kernel, which could allow an attacker to compromise the system. These vulnerabilities span multiple architectures including ARM64, PowerPC, and x86, and affect various subsystems such as memory management, networking, and file systems. The vulnerabilities are identified by CVE-2025-37891, CVE-2025-37894, and others, indicating a significant risk to affected systems.

How To Fix

Minimum fixed version

6.14.0-24.24

This is the first release that contains the fix.

sudo apt-get install --only-upgrade linux

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Workaround

If immediate patching is not possible, consider implementing network security measures such as firewalls and intrusion detection systems to mitigate potential attacks until the system can be updated.

Conclusion

The vulnerabilities identified in the Linux kernel packages pose a significant risk to system security. It is crucial for users to update their packages to the latest patched versions to mitigate these risks. Utilizing tools like Vulert can help monitor for vulnerabilities in real-time.

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FAQ

USN-7649-1 is a security notice issued for the Linux kernel, detailing multiple vulnerabilities that could compromise system security.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.

Failing to update could leave your system vulnerable to attacks, potentially leading to unauthorized access, data breaches, or system instability.

While specific exploits may not be publicly available, the vulnerabilities are serious enough that attackers could develop methods to exploit them.

Implement security measures such as firewalls and intrusion detection systems to protect your system until you can apply the necessary updates.

Related vulnerabilities

Recent vulnerabilities recorded for linux.

How To Fix

Minimum fixed version

6.14.0-24.24

This is the first release that contains the fix.

sudo apt-get install --only-upgrade linux

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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