Critical Vulnerability in Linux Package Affecting Debian Versions 11, 12, 13, and 14
Summary
DEBIAN-CVE-2026-64380: ... Affects linux versions 5.10.103-1 – 7.2~rc3-1~exp1. No fix is published. How to fix ↓
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Background
The Linux package is a core component of the Debian operating system, providing essential functionalities for system operations, including process management, memory management, and hardware interaction. It is widely used across various distributions, including Debian Bullseye (11), Bookworm (12), Trixie (13), and Forky (14). This vulnerability poses a significant risk to systems running these versions, potentially leading to unauthorized access or system instability.
Vulnerability Detail
CVE-2026-64380 is a critical vulnerability identified in the Linux package, which affects multiple Debian distributions. The vulnerability originates from a flaw in the kernel's handling of specific system calls, which could allow an attacker to execute arbitrary code with elevated privileges. This could lead to severe consequences, including data breaches, system crashes, 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 for Debian Trixie (13).
How To Fix
No fixed version is published for this vulnerability.
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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 can be updated. However, this is not a permanent solution and should only be used until the patch is applied.
Conclusion
CVE-2026-64380 poses a significant threat to users of the Linux package across multiple Debian distributions. It is crucial for users to update their systems to the patched version to mitigate the risks associated with this vulnerability. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
CVE-2026-64380 is a critical vulnerability in the Linux package affecting multiple Debian distributions, allowing potential unauthorized access and control.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without any signup.
The risks include unauthorized access, data breaches, and potential system crashes, which can severely impact system integrity and security.
To update the Linux package, run the command 'sudo apt-get update && sudo apt-get install linux' in your terminal.
Yes, temporarily limiting access to the affected system or disabling certain functionalities can serve as a workaround until the patch is applied.
References
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