Critical Vulnerability in Linux Package - CVE-2026-45864
Summary
DEBIAN-CVE-2026-45864: ... Affects linux versions < 6.1.170-1. Fixed in 6.1.170-1. How to fix ↓
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Background
The Linux package is a core component of the Debian operating system, providing essential functionalities for system operations and hardware management. It is widely used across various distributions, including Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky). This package is crucial for system stability and performance, making it a prime target for vulnerabilities that could compromise system integrity.
Vulnerability Detail
CVE-2026-45864 is a critical vulnerability affecting the Linux package across multiple Debian distributions. The vulnerability originates from improper handling of certain system calls, which could allow an attacker to execute arbitrary code with elevated privileges. This could lead to unauthorized access, data breaches, or system crashes. The vulnerability has been introduced in earlier versions of the Linux package and has been addressed in specific patched versions.
How To Fix
Minimum fixed version
6.1.170-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can limit access to sensitive system calls or restrict user permissions until the package can be updated. This can be done by modifying user roles and permissions in the system settings.
Conclusion
CVE-2026-45864 poses a significant risk to users of the Linux package across various Debian distributions. It is crucial to update to the patched versions to mitigate potential threats. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
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FAQ
CVE-2026-45864 is a critical vulnerability in the Linux package that allows for potential arbitrary code execution with elevated privileges.
You can use the Vulert platform to check if your application is affected by this vulnerability without needing to install any software.
The risks include unauthorized access to the system, potential data breaches, and system instability.
You can update your Linux package by running 'sudo apt update' followed by 'sudo apt upgrade linux' in your terminal.
Yes, Vulert provides real-time monitoring and alerts for open-source vulnerabilities using just a manifest file.
References
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