USB: dwc3: ep0: Fix NULL pointer exception in Linux Kernel

Kernel Updated 02 Oct 2025

Summary

30/06/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1000860: usb: dwc3: ep0: fix NULL pointer exception. Affects Kernel versions < 990dc90750772622d44ca2ea6652c521e6f67e16. 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. The dwc3 driver is used for USB 3.0 support on various platforms. The ep0 endpoint is the control endpoint used for device initialization and configuration. This vulnerability in the dwc3 driver allows for a NULL pointer exception, which can lead to a system crash or potential privilege escalation.

Vulnerability Detail

The vulnerability in the dwc3 driver occurs when handling the ep0 endpoint. A NULL pointer exception can be triggered, potentially leading to a system crash or privilege escalation. An attacker may be able to exploit this vulnerability by sending specially crafted USB packets to the affected system. The impact of this vulnerability can vary depending on the context in which the driver is used. It is important to update to the fixed version of the Linux Kernel to mitigate this vulnerability.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The vulnerability in the dwc3 driver of the Linux Kernel can lead to a NULL pointer exception, potentially resulting in a system crash or privilege escalation. It is crucial to update to the fixed version of the Linux Kernel to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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