Vulnerability in Kernel: gpiolib: acpi: use correct format characters
Summary
GSD-2022-1002298: gpiolib: acpi: use correct format characters. Affects Kernel versions >= e40a3ae1f794a35c4af3746291ed6fedc1fa0f6f, < 38b0bd0f251010073efb3fc37a708ae9079bb332. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionalities and interfaces between hardware and software. It manages system resources, facilitates communication between different software components, and ensures the stability and security of the system. The gpiolib subsystem within the Kernel is responsible for handling GPIO (General Purpose Input/Output) operations. GPIO pins are used to control and monitor external devices connected to the system. The ACPI (Advanced Configuration and Power Interface) component in the gpiolib subsystem provides power management and configuration capabilities. However, a vulnerability has been identified in the ACPI implementation that involves the incorrect usage of format characters.
Vulnerability Detail
The vulnerability in the gpiolib ACPI implementation arises from the incorrect usage of format characters. Format characters are placeholders used in programming languages to define the expected format of data during input/output operations. In this case, the incorrect format characters can lead to memory corruption or information disclosure vulnerabilities. An attacker could potentially exploit this vulnerability to execute arbitrary code, escalate privileges, or obtain sensitive information. 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. Users are advised to update their Kernel installations to the latest stable version as mentioned in the 'how_to_fix' section.
Conclusion
In conclusion, a vulnerability has been identified in the Kernel's gpiolib ACPI implementation, which involves the incorrect usage of format characters. This vulnerability can potentially lead to memory corruption, information disclosure, and various other security risks. It is crucial for users to update their Kernel installations to the latest stable version to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a critical component of the Linux operating system that provides core functionalities and interfaces between hardware and software.
gpiolib is a subsystem within the Kernel that handles GPIO operations, allowing control and monitoring of external devices connected to the system.
ACPI (Advanced Configuration and Power Interface) is a component within the gpiolib subsystem that provides power management and configuration capabilities.
Format characters are placeholders used in programming languages to define the expected format of data during input/output operations.
The potential impacts of this vulnerability include memory corruption, information disclosure, arbitrary code execution, privilege escalation, and sensitive data compromise.
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