Critical Vulnerability in Linux Package Across Multiple Debian Releases
Summary
DEBIAN-CVE-2026-64420: ... Affects linux versions 5.10.103-1 – 7.2~rc3-1~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, hardware management, and user interactions. It is widely used across various Debian distributions, including Bullseye, Bookworm, Trixie, and Forky. This vulnerability affects the stability and security of systems running these versions, making it crucial for users to address it promptly.
Vulnerability Detail
CVE-2026-64420 is a critical vulnerability that originates from a flaw in the Linux kernel, which can potentially allow unauthorized access or manipulation of system resources. This vulnerability could lead to severe ramifications, including system crashes, data breaches, or unauthorized control over affected systems. The vulnerability is present in all versions of the Linux package prior to the fixed version 6.12.96-1 in Debian Trixie, making it imperative for users to update their systems to mitigate risks.
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
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to apply the available patches as soon as they are released.
Conclusion
CVE-2026-64420 represents a significant security risk for users of the Linux package across multiple Debian distributions. It is crucial for users to update their systems to the patched version to safeguard against potential exploits. Regular monitoring and updates are essential to maintaining system security.
See every vulnerability recorded for linux →
FAQ
CVE-2026-64420 is a critical vulnerability in the Linux kernel affecting multiple Debian distributions, which could lead to unauthorized access and system instability.
The vulnerability affects Debian 11 (Bullseye), Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky).
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 by this vulnerability.
While there are no specific workarounds, it is recommended to monitor the situation and apply updates as soon as they are available to mitigate risks.
It is advisable to check for updates regularly, at least once a week, to ensure your system is protected against known vulnerabilities.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.