Critical Vulnerability in Linux Package Affecting Debian 12, 13, and 14

linux Updated 22 Oct 2026

Summary

25/09/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-98159: ... Affects linux versions 6.1.106-1 – 7.2~rc7-1~exp1. No fix is published. 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 serves as the foundation for various applications and services running on Debian systems. The vulnerability identified as CVE-2026-98159 poses a significant risk to users of Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky), potentially compromising system integrity and security.

Vulnerability Detail

CVE-2026-98159 is a critical vulnerability that originates from a flaw in the Linux kernel, which could allow unauthorized access or manipulation of system resources. This vulnerability can lead to severe ramifications, including data breaches, system crashes, and unauthorized control over affected systems. The technical aspects of this vulnerability involve improper handling of specific system calls, which can be exploited by malicious actors to execute arbitrary code.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

As a temporary measure, users can restrict access to the affected systems and monitor for any unusual activities. Additionally, disabling certain features of the Linux kernel that are known to be exploited may reduce the risk until a patch is applied.

Conclusion

CVE-2026-98159 represents a significant security threat to users of the Linux package on Debian systems. It is crucial for users to stay informed about this vulnerability and take necessary actions, such as applying patches and implementing workarounds, to protect their systems.

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FAQ

CVE-2026-98159 is a critical vulnerability in the Linux kernel affecting Debian systems, which could allow unauthorized access and control.

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

The risks include potential data breaches, system crashes, and unauthorized control over the affected systems.

Yes, users are advised to update their Linux package to the latest version to mitigate the risks associated with CVE-2026-98159.

If you cannot apply the patch immediately, consider implementing workarounds such as restricting access to the affected systems and monitoring for unusual activities.

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How To Fix

No fixed version is published for this vulnerability.

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