pinctrl: single: fix potential NULL dereference in Kernel
Summary
GSD-2023-1002332: pinctrl: single: fix potential NULL dereference. Affects Kernel versions >= 571aec4df5b72a80f80d1e524da8fbd7ff525c98, < bcc487001a15f71f103d102cba4ac8145d7a68f2. 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 the communication between hardware and software. It provides essential services and functions for the proper functioning of the system. The pinctrl subsystem within the Kernel is responsible for managing pin control and configuration for various devices. This vulnerability specifically affects the 'single' pinctrl driver.
Vulnerability Detail
The vulnerability in the 'single' pinctrl driver could lead to a potential NULL dereference. This means that under certain conditions, a pointer in the code could be accessed when it is pointing to nothing (NULL). This can result in a system crash or other unpredictable behavior. The vulnerability was introduced in version v4.11 of the Linux Kernel and has been fixed in version v6.1.12.
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 'single' pinctrl driver in the Linux Kernel is vulnerable to a potential NULL dereference. To mitigate this vulnerability, it is crucial to update the Kernel to version v6.1.12 or later. For further support and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can potentially lead to a system crash or other unpredictable behavior.
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 the Vulert Playground will analyze it for any open-source vulnerabilities, including this one.
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, only versions starting from v4.11 up to v6.1.11 are affected. The vulnerability has been fixed in version v6.1.12.
It is recommended to update the entire Kernel to the fixed version rather than manually patching the vulnerability. This ensures that all necessary changes and dependencies are properly addressed.
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