HID: bigbenff: Prevent Null Pointer Dereference in Linux Kernel
Summary
GSD-2021-1002584: HID: bigbenff: prevent null pointer dereference. Affects Kernel versions < 58f15f5ae7786c824868f3a7e093859b74669ce7. No fix is published. How to fix ↓
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Background
The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing an interface for applications to interact with the hardware. It is a critical piece of software that is constantly being developed and maintained by a large community of contributors. The HID (Human Interface Device) subsystem in the Linux Kernel handles input devices such as keyboards, mice, and game controllers. The bigbenff driver is a part of the HID subsystem and is responsible for supporting BigBen Interactive gamepads. This vulnerability specifically affects the bigbenff driver in the Linux Kernel.
Vulnerability Detail
The vulnerability identified as GSD-2021-1002584 in the bigbenff driver of the Linux Kernel is a null pointer dereference issue. A null pointer dereference occurs when a program attempts to access or manipulate data using a null pointer, resulting in a crash or potentially exploitable behavior. In this case, the vulnerability could be triggered by a specific sequence of user actions or inputs, leading to a null pointer dereference in the bigbenff driver. The impact and attack plausibility of this vulnerability have not been proven yet, but it is important to address it to prevent potential security risks.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The HID: bigbenff null pointer dereference vulnerability in the Linux Kernel has been identified and fixed in version v5.15.8. It is important to update the Linux Kernel to this version or later to ensure the security and stability of the system. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
A null pointer dereference occurs when a program attempts to access or manipulate data using a null pointer, resulting in a crash or potentially exploitable behavior.
The impact of this vulnerability is not yet proven, but it could potentially lead to a crash or other exploitable behavior in the bigbenff driver of the Linux Kernel.
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 Vulert will analyze it for open-source vulnerabilities, including GSD-2021-1002584.
No specific workaround has been mentioned for this vulnerability. It is recommended to update the Linux Kernel to version v5.15.8 or later to fix the issue.
You can find more information about this vulnerability in the GSD-2021-1002584 JSON file available on the Cloud Security Alliance's GSD Database GitHub repository (https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002584.json).
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