Vulnerability in Kernel Package: xhci - Prevent Futile URB Re-submissions
Summary
GSD-2022-1000946: xhci: Prevent futile URB re-submissions due to incorrect return value. Affects Kernel versions >= 203a86613fb3bf2767335659513fa98563a3eb71, < a750d0ee17404ee03b338894ebe763cbfa021397. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides an interface between the hardware and software layers, allowing applications to communicate with the underlying hardware. The xhci module within the Kernel package specifically handles USB host controller drivers. This vulnerability affects the xhci module and can lead to futile URB (USB Request Block) re-submissions due to an incorrect return value.
Vulnerability Detail
The vulnerability arises from an incorrect return value in the xhci module, which can result in futile URB re-submissions. This issue was introduced in version v3.11 of the Linux Kernel by commit 203a86613fb3bf2767335659513fa98563a3eb71 and has been fixed in version v4.9.304 by commit a750d0ee17404ee03b338894ebe763cbfa021397. The impact and attack plausibility of this vulnerability have not been proven yet. However, if exploited, it could potentially lead to system instability, resource exhaustion, or denial of service.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The vulnerability in the Kernel package's xhci module, which leads to futile URB re-submissions, can have potential security implications. It is crucial to update the Kernel package to the fixed version to mitigate the risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality.
The xhci module is a part of the Kernel package that handles USB host controller drivers.
A URB (USB Request Block) is a data structure used by the USB subsystem in the Kernel to represent USB requests and transfers.
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No known exploit for this vulnerability has been reported at this time.
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