Critical Vulnerability in Linux Package Affecting Debian 12, 13, and 14
Summary
DEBIAN-CVE-2026-46123: ... 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 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 its security paramount.
Vulnerability Detail
CVE-2026-46123 is a critical vulnerability identified in the Linux package, which could potentially allow unauthorized access or system compromise. The vulnerability originates from a flaw in the kernel that could be exploited by attackers to execute arbitrary code with elevated privileges. This could lead to severe ramifications, including data breaches, system instability, and unauthorized control over affected systems.
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 measure, users can limit access to the affected systems and monitor for any suspicious activity until the package is updated. Additionally, disabling unnecessary services and restricting user permissions can help mitigate the risk.
Conclusion
CVE-2026-46123 represents a significant security risk for users of the Linux package across multiple Debian versions. It is crucial for users to update their systems promptly to the patched versions to ensure their systems remain secure. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
See every vulnerability recorded for linux →
FAQ
CVE-2026-46123 is a critical vulnerability in the Linux package that could allow unauthorized access or system compromise.
Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky) are all affected by this vulnerability.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Check your application against CVE-2026-46123 using the Vulert playground without any signup.
Failure to address this vulnerability could lead to unauthorized access, data breaches, and potential control over your system by attackers.
Yes, patched versions of the Linux package are available for Debian 13 and 14. Users should update to the specified versions to mitigate the risk.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
