Critical Vulnerability in Linux Package Affecting Debian Versions 12, 13, and 14
Summary
DEBIAN-CVE-2026-45859: ... Affects linux versions 6.1.106-1 – 7.1~rc5-1~exp1. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Linux package is a core component of the Debian operating system, providing essential functionalities for system operations and resource management. It is widely used across various distributions, including Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky). This package is crucial for the stability and performance of the system, making it vital to address any vulnerabilities that may arise.
Vulnerability Detail
CVE-2026-45859 is a critical vulnerability identified in the Linux package that affects 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 to sensitive data or complete system compromise. The vulnerability is particularly concerning as it impacts multiple versions of the Linux package, necessitating immediate attention from system administrators.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, users can limit access to the affected system or disable certain functionalities that rely on the vulnerable system calls until the package is updated. However, this is not a permanent solution and should only be used as a stopgap measure.
Conclusion
The CVE-2026-45859 vulnerability poses a significant risk to users of the Linux package across multiple Debian distributions. Immediate action is required to update to the patched versions to mitigate potential threats. Users are encouraged to monitor their systems and apply necessary updates promptly.
See every vulnerability recorded for linux →
FAQ
CVE-2026-45859 is a critical vulnerability in the Linux package affecting Debian distributions, allowing potential unauthorized access and code execution.
Debian versions 12 (Bookworm), 13 (Trixie), and 14 (Forky) are affected by this vulnerability.
You can use the Vulert platform to check for vulnerabilities in your application by uploading your manifest file or using the Vulert playground without signup.
If immediate updates are not possible, consider implementing temporary workarounds such as limiting access to the affected system.
More information can be found in the official Debian security advisories and the CVE database.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.