Vulnerability in ARM: hisi package - Missing of_node_put after of_find_compatible_node
Summary
GSD-2022-1003350: ARM: hisi: Add missing of_node_put after of_find_compatible_node. Affects Kernel versions < a3265a9440030068547a20dfee646666f3ca5278. No fix is published. How to fix ↓
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Background
The ARM: hisi package is a component of the Linux Kernel, which is responsible for supporting ARM-based Hisilicon SoCs. It provides necessary drivers and functionalities for these specific hardware platforms. The vulnerability in question arises from a missing of_node_put function call after of_find_compatible_node, which can lead to potential security risks.
Vulnerability Detail
The vulnerability occurs due to a missing of_node_put function call after of_find_compatible_node in the ARM: hisi package. This oversight can result in resource leaks and potential memory corruption issues. Attackers may exploit this vulnerability to execute arbitrary code, escalate privileges, or cause denial-of-service conditions. The impact and attack plausibility of this vulnerability have not been proven yet.
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.
Conclusion
In conclusion, the ARM: hisi package in the Linux Kernel is vulnerable to a missing of_node_put issue. This vulnerability can lead to resource leaks, memory corruption, and potential security risks. It is crucial to update the kernel to version v5.15.46 or later to fix this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability can range from resource leaks and potential memory corruption to arbitrary code execution, privilege escalation, or denial-of-service conditions.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities in the software.
As of now, there is no known exploit for this vulnerability. However, it is important to patch the system to prevent any potential exploitation.
The vulnerability specifically affects the ARM: hisi package in the Linux Kernel. It is recommended to update the kernel to the fixed version to ensure the vulnerability is addressed.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1003xxx/GSD-2022-1003350.json
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