Latent_entropy Vulnerability in Kernel

Kernel Updated 02 Oct 2025

Summary

24/04/2022
N/A
No i
Unrated
Not published

GSD-2022-1002463: gcc-plugins: latent_entropy: use /dev/urandom. Affects Kernel versions >= 38addce8b600ca335dc86fa3d48c890f1c6fa1f4, < 942352131b4ed824fefddf87810faf2711a5e967. No fix is published. How to fix ↓

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Background

The Kernel is a crucial component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functionalities such as process management, memory management, and device drivers. The latent_entropy vulnerability affects the Kernel and can potentially lead to security breaches.

Vulnerability Detail

The latent_entropy vulnerability in the Kernel arises from the use of /dev/urandom. This vulnerability can have severe consequences, including the compromise of cryptographic keys and the generation of predictable random numbers. It was introduced in version v4.9 of the Kernel and fixed in version v4.9.311. The vulnerability has not been proven to be exploitable, but it is essential to address it to ensure the security of the system.

How To Fix

No fixed version is published for this vulnerability.

To fix the latent_entropy vulnerability, it is recommended to update the Linux Kernel to version v4.9.311 or later. This update includes the necessary patches to mitigate the vulnerability. Users can obtain the updated Kernel from the official Linux Kernel repository.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The latent_entropy vulnerability in the Kernel can have severe consequences for system security. It is crucial to update the Kernel to version v4.9.311 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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FAQ

The latent_entropy vulnerability is a security flaw in the Kernel that arises from the use of /dev/urandom. It can potentially compromise cryptographic keys and generate predictable random numbers.

The latent_entropy vulnerability can lead to security breaches, compromise of cryptographic systems, and the generation of predictable random numbers.

The latent_entropy vulnerability was introduced in version v4.9 of the Kernel and fixed in version v4.9.311.

No, the exploitability of the latent_entropy vulnerability has not been proven. However, it is crucial to address the vulnerability to ensure system security.

To fix the latent_entropy vulnerability, it is recommended to update the Linux Kernel to version v4.9.311 or later.

Related vulnerabilities

Recent vulnerabilities recorded for Kernel.

How To Fix

No fixed version is published for this vulnerability.

To fix the latent_entropy vulnerability, it is recommended to update the Linux Kernel to version v4.9.311 or later. This update includes the necessary patches to mitigate the vulnerability. Users can obtain the updated Kernel from the official Linux Kernel repository.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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