Vulnerability in xhci Command Ring Pointer Corruption
Summary
GSD-2021-1002030: xhci: Fix command ring pointer corruption while aborting a command. Affects Kernel versions < dec944bb7079b37968cf69c8a438f91f15c4cc61. No fix is published. How to fix ↓
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Background
The xhci package is part of the Linux Kernel ecosystem and is responsible for managing USB 3.0 host controller interfaces. It provides functionality for controlling USB devices and handling data transfers. The vulnerability in question involves a command ring pointer corruption issue that occurs when aborting a command.
Vulnerability Detail
The vulnerability arises from a flaw in the xhci package that leads to command ring pointer corruption during the process of aborting a command. This corruption can have various consequences, including potential security vulnerabilities. The impact and attack plausibility of this vulnerability have not yet been proven. The vulnerability has been addressed in the Linux Kernel version v5.10.75 by commit dec944bb7079b37968cf69c8a438f91f15c4cc61.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.75 or later. This update includes the necessary fix for the command ring pointer corruption issue.
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Conclusion
The xhci package in the Linux Kernel is vulnerable to command ring pointer corruption while aborting a command. This vulnerability has been addressed in the Linux Kernel version v5.10.75. It is crucial to update to this version or a later one to mitigate the risk of potential security vulnerabilities. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The xhci package is a component of the Linux Kernel that handles USB 3.0 host controller interfaces and facilitates the management of USB devices and data transfers.
The impact of this vulnerability is currently unknown, as the attack plausibility has not been proven. However, it has the potential to introduce security vulnerabilities.
To fix this vulnerability, you should update your Linux Kernel to version v5.10.75 or later, which includes the necessary fix for the command ring pointer corruption issue.
No specific workaround has been mentioned for this vulnerability. It is recommended to apply the provided fix by updating the Linux Kernel.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry with ID GSD-2021-1002030.
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