Critical Vulnerability in Linux Package: CVE-2026-45911

linux Updated 22 Oct 2026

Summary

27/05/2026
N/A
Yes i
Unrated
Not published

DEBIAN-CVE-2026-45911: ... 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 managing system resources and hardware interactions. It serves as the foundation for various applications and services running on Debian distributions. The package is known for its robustness and flexibility, but like any software, it can be susceptible to vulnerabilities that may compromise system security.

Vulnerability Detail

CVE-2026-45911 is a critical vulnerability affecting the Linux package across multiple Debian distributions. This vulnerability originates from a flaw in the kernel that could allow an attacker to escalate privileges, potentially leading to unauthorized access to system resources. The ramifications of this vulnerability are severe, as it could enable attackers to execute arbitrary code with elevated privileges, compromising the integrity and confidentiality of the system.

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 linux

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Workaround

As of now, no specific workarounds have been provided for this vulnerability. It is highly recommended to apply the patches as soon as they are available to mitigate the risks associated with CVE-2026-45911.

Conclusion

CVE-2026-45911 poses a significant threat to the security of systems running affected versions of the Linux package in Debian distributions. Users are strongly advised to update their packages to the latest patched versions to safeguard against potential exploits. Regular monitoring and timely updates are essential for maintaining system integrity.

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FAQ

CVE-2026-45911 is a critical vulnerability in the Linux package that allows for privilege escalation, potentially compromising system security.

The vulnerability affects Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky).

You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring signup.

While no specific workarounds are available, it is crucial to prioritize applying the patches as soon as possible to mitigate risks.

You can update the Linux package by running the command: sudo apt update && sudo apt upgrade linux in your terminal.

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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 linux

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