Critical Vulnerability in Linux Package Affecting Debian 12, 13, and 14
Summary
DEBIAN-CVE-2026-46173: ... 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 management and hardware interaction. 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 its security paramount.
Vulnerability Detail
CVE-2026-46173 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 a complete system compromise, exposing sensitive data and allowing unauthorized access to system resources. The vulnerability is particularly concerning due to its potential impact on server environments and critical infrastructure.
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 by restricting user permissions and disabling unnecessary services until the package can be updated. Additionally, consider using a firewall to block unauthorized access.
Conclusion
CVE-2026-46173 poses a significant threat to systems running the Linux package on Debian distributions. It is crucial to apply the necessary updates to mitigate risks and protect system integrity. Users are encouraged to monitor their systems for vulnerabilities using tools like Vulert.
See every vulnerability recorded for linux →
FAQ
CVE-2026-46173 is a critical vulnerability in the Linux package affecting Debian distributions, allowing potential unauthorized access and code execution.
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.
The risks include unauthorized access to sensitive data, potential system compromise, and disruption of services, especially in server environments.
Yes, patches are available for Debian 13 and 14. Ensure to update to the specified versions to mitigate the risk.
If immediate updates are not possible, implement workarounds such as restricting user permissions and using a firewall to limit access.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
