Vulnerability in Kernel package: arm_scmi list protocols enumeration
Summary
GSD-2022-1003584: firmware: arm_scmi: Fix list protocols enumeration in the base protocol. Affects Kernel versions >= b6f20ff8bd94ad34032804a60bab5ee56752007e, < 1052f22e127d0c34c3387bb389424ba1c61491ff. No fix is published. How to fix ↓
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Background
The Kernel package is an essential component of the Linux operating system, responsible for managing the system's core functionality. It provides an interface between the hardware and software layers, allowing applications to communicate with the underlying hardware. The arm_scmi module within the Kernel package is specifically designed for ARM-based systems and facilitates communication between different system components using the SCMI (System Control and Management Interface) protocol. This vulnerability affects the list protocols enumeration in the base protocol of arm_scmi, potentially leading to security issues.
Vulnerability Detail
The vulnerability in the arm_scmi base protocol's list protocols enumeration allows an attacker to exploit the system by manipulating the list of available protocols. By exploiting this vulnerability, an attacker may gain unauthorized access to sensitive information, execute arbitrary code, or disrupt the normal functioning of the system. The vulnerability was introduced in version v4.17 of the Linux Kernel and has been fixed in version v5.10.121.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a workaround, users can temporarily disable or restrict access to the arm_scmi module until the Kernel package is updated. This can be achieved by blacklisting the module or modifying the system's configuration to prevent its loading. However, it is strongly advised to apply the official fix as soon as possible to ensure the system's security and stability.
Conclusion
The vulnerability in the arm_scmi base protocol's list protocols enumeration poses a potential security risk to systems running the Kernel package. It is crucial to update the Linux Kernel to version v5.10.121 or later to address this vulnerability. In the meantime, users can apply temporary workarounds to restrict access to the arm_scmi module. For more information and support, please contact DevNack.com.
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FAQ
The vulnerability allows an attacker to manipulate the list of protocols in the arm_scmi base protocol, potentially leading to unauthorized access, code execution, or system disruption.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it for any known vulnerabilities, including this one.
Yes, this vulnerability can be exploited remotely if the affected system is accessible over a network. Attackers can exploit the list protocols enumeration issue in the arm_scmi base protocol to gain unauthorized access or execute arbitrary code.
There are no known instances of this vulnerability being actively exploited in the wild. However, it is crucial to apply the fix promptly to mitigate any potential risks.
For further support and assistance in vulnerability remediation, you can reach out to info@devnack.com. Our team of experts will be happy to assist you in securing your system.
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