pinctrl: single: fix potential NULL dereference in Kernel
Summary
GSD-2023-1002363: pinctrl: single: fix potential NULL dereference. Affects Kernel versions >= 571aec4df5b72a80f80d1e524da8fbd7ff525c98, < 71668706fbe7d20e6f172fa3287fa8aac1b56c26. 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 communication between hardware and software. It provides essential functions and services to enable the proper functioning of the system. The pinctrl subsystem within the Kernel allows for the configuration and management of pin control and GPIO (General Purpose Input/Output) functionality on various hardware platforms.
Vulnerability Detail
The pinctrl: single vulnerability is a potential NULL dereference issue that exists within the pinctrl subsystem of the Kernel. This vulnerability can be exploited by an attacker to cause a NULL pointer dereference, leading to a system crash or potential privilege escalation. The vulnerability was introduced in version v4.11 of the Kernel and was fixed in version v5.15.94 by commit 71668706fbe7d20e6f172fa3287fa8aac1b56c26.
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
The pinctrl: single vulnerability in the Kernel can potentially lead to system crashes or privilege escalation. It is crucial to update the Kernel to version v5.15.94 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can potentially lead to a system crash or privilege escalation if exploited by an attacker.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and it will provide real-time alerts for open-source vulnerabilities.
There is no known exploit for this vulnerability at the moment. However, it is still important to apply the necessary updates to mitigate the risk.
No specific prerequisites are mentioned for exploiting this vulnerability.
You can find more information about this vulnerability in the GSD-2023-1002363 JSON file provided by the Cloud Security Alliance's GSD database (https://github.com/cloudsecurityalliance/gsd-database).
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