Vulnerability in pinctrl: samsung package - Drop pin banks references on error paths
Summary
GSD-2022-1002454: pinctrl: samsung: drop pin banks references on error paths. Affects Kernel versions >= ab663789d69760d2735402f66501f20b60312a3d, < e4bc03a96374556962a3ba560ca5c9f8c99a72c9. No fix is published. How to fix ↓
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Background
The pinctrl: samsung package is a component of the Linux Kernel that provides support for pin control on Samsung devices. It allows the configuration and management of pins used for various functionalities such as GPIO, I2C, SPI, and more. This vulnerability specifically affects the handling of pin banks references on error paths within the package.
Vulnerability Detail
The vulnerability arises from a flaw in the pinctrl: samsung package, where pin banks references are not properly dropped on error paths. This can lead to resource leaks and potential memory corruption. An attacker could potentially exploit this vulnerability to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges. The vulnerability was introduced in version v3.8 of the Linux Kernel and has been fixed in version v4.14.276.
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 vulnerability in the pinctrl: samsung package, which involves the improper handling of pin banks references on error paths, can lead to resource leaks and potential memory corruption. It is crucial to update the Linux Kernel to version v4.14.276 or later to mitigate the risks associated with this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can potentially lead to a denial-of-service (DoS) condition or allow an attacker to execute arbitrary code with elevated privileges.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and it will provide real-time alerts for open-source vulnerabilities.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the recommended fix to mitigate any potential risks.
Yes, this vulnerability can be exploited remotely if the affected system is accessible over a network. It is crucial to update the Linux Kernel to the fixed version to prevent any potential remote exploitation.
To exploit this vulnerability, an attacker would require access to a system running an affected version of the Linux Kernel and the ability to trigger the error paths in the pinctrl: samsung package.
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