Vulnerability in gpiolib: acpi: use correct format characters
Summary
GSD-2022-1001663: gpiolib: acpi: use correct format characters. Affects Kernel versions >= e40a3ae1f794a35c4af3746291ed6fedc1fa0f6f, < d40cf3492277d203c1f676cb9df88ab55d0c5d0f. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The gpiolib package is a component of the Linux Kernel, which is responsible for providing a generic interface for GPIO (General Purpose Input/Output) controllers. GPIOs are commonly used to control and monitor hardware devices connected to a computer system. The acpi module within gpiolib is specifically designed to handle GPIOs through ACPI (Advanced Configuration and Power Interface) tables, which provide information about the system's hardware configuration and capabilities. This vulnerability affects the way the acpi module handles format characters, potentially leading to security issues.
Vulnerability Detail
The vulnerability in gpiolib: acpi arises from the incorrect usage of format characters. Format characters are placeholders used in string formatting operations to specify the type and format of data to be inserted into the resulting string. In this case, the acpi module fails to use the correct format characters, which can result in various security vulnerabilities, such as buffer overflows, information leaks, or even remote code execution. The impact and attack plausibility of this vulnerability have not been proven yet, but it is important to address it to ensure the security of systems using the affected version of the Linux Kernel.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Conclusion
The vulnerability in gpiolib: acpi, which involves the incorrect usage of format characters, can potentially lead to security issues. It is crucial to update the Linux Kernel to version v5.15.35 or later to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
gpiolib is a component of the Linux Kernel that provides a generic interface for GPIO controllers. It allows software to control and monitor hardware devices connected to a computer system through GPIOs.
The acpi module in gpiolib is responsible for handling GPIOs through ACPI tables. ACPI tables provide information about the system's hardware configuration and capabilities.
Format characters are placeholders used in string formatting operations to specify the type and format of data to be inserted into the resulting string.
The potential consequences of this vulnerability include buffer overflows, information leaks, and remote code execution. However, the actual impact and attack plausibility have not been proven yet.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
