Critical Vulnerability in Linux Package Affecting Debian Versions 11-14
Summary
DEBIAN-CVE-2026-31751: ... Affects linux versions 5.10.103-1 – 7.0.3-1. 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 managing hardware and system resources. It is widely used across various applications and environments, making its security paramount. This vulnerability affects multiple Debian versions, highlighting the importance of timely updates and patches to maintain system integrity.
Vulnerability Detail
CVE-2026-31751 is a critical vulnerability that originates from a flaw in the Linux kernel, which could potentially allow unauthorized access or control over affected systems. The vulnerability is present in Debian versions 11, 12, 13, and 14, with specific fixed versions available for the latter two. The ramifications of this vulnerability could lead to severe security breaches, including data loss and system compromise.
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 unusual activity until the package is updated. Additionally, disabling certain features of the kernel that are known to be exploited may help mitigate risks.
Conclusion
CVE-2026-31751 poses a significant risk to systems running affected versions of the Linux package on Debian. It is crucial for users to update their systems to the patched versions to mitigate potential security threats. Regular monitoring and updates are essential for maintaining system security.
See every vulnerability recorded for linux →
FAQ
CVE-2026-31751 is a critical vulnerability in the Linux kernel affecting multiple Debian versions, which could allow unauthorized access to systems.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Failure to address this vulnerability could lead to unauthorized access, data breaches, and potential system compromise.
Yes, patched versions are available for Debian 13 (6.12.85-1) and Debian 14 (6.19.12-1).
You can update your Linux package by running 'sudo apt-get update && sudo apt-get upgrade linux' in your terminal.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
