Vulnerability in Kernel: x86/speculation RRSBA Behavior

Kernel Updated 02 Oct 2025

Summary

31/07/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1004550: x86/speculation: Disable RRSBA behavior. Affects Kernel versions < eb38964b6ff864b8bdf87c9cf6221d0b0611a990. No fix is published. How to fix ↓

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Background

The Kernel is a critical 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 x86/speculation vulnerability affects the Kernel's behavior related to Retpoline Restricted Speculative Store Bypass Disable (RRSBA). This vulnerability could potentially be exploited by attackers to gain unauthorized access or execute arbitrary code on affected systems.

Vulnerability Detail

The x86/speculation vulnerability in the Kernel allows attackers to exploit the RRSBA behavior, which can lead to unauthorized access or arbitrary code execution. The exact impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.10.133 by commit eb38964b6ff864b8bdf87c9cf6221d0b0611a990.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability. It is advised to apply the fix by updating the Linux Kernel to the recommended version.

Conclusion

The x86/speculation vulnerability in the Kernel can potentially lead to unauthorized access or arbitrary code execution. It is crucial to update the Linux Kernel to version v5.10.133 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.

See every vulnerability recorded for Kernel →

FAQ

What is the Kernel?

The Kernel is a critical component of the Linux operating system that manages system resources and facilitates communication between hardware and software.

What is the x86/speculation vulnerability?

The x86/speculation vulnerability affects the behavior of the Kernel related to Retpoline Restricted Speculative Store Bypass Disable (RRSBA). It can potentially be exploited by attackers to gain unauthorized access or execute arbitrary code on affected systems.