Vulnerability in Kernel package: hv: vmbus
Summary
GSD-2021-1000291: Drivers: hv: vmbus: Drop error message when 'No request id available'. Affects Kernel versions >= e8b7db38449ac5b950a3f00519171c4be3e226ff, < 9dbd136aff69d3e197e733af56e57b1aa8e917ab. No fix is published. How to fix ↓
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Background
The Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services and interfaces for hardware devices, file systems, and process management. The hv: vmbus driver is a component of the Kernel package that facilitates communication between the host and virtual machines in a Hyper-V environment.
Vulnerability Detail
The vulnerability in the hv: vmbus driver arises from an error message that is displayed when there is no request ID available. This error message can potentially leak sensitive information to attackers, aiding them in crafting targeted attacks. Although the impact and attack feasibility have not been proven, it is essential to address this vulnerability to mitigate any potential risks.
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 hv: vmbus driver of the Kernel package can potentially leak sensitive information to attackers. It is crucial to update the Kernel package to the fixed version to mitigate any potential risks. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven, but it has the potential to leak sensitive information to attackers.
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.
No specific workaround has been provided for this vulnerability. It is recommended to update the Kernel package to the fixed version.
The fix for this vulnerability is included in the Linux Kernel version v5.12.4 and later versions.
You can find more information about this vulnerability in the GSD-2021-1000291 entry of the GSD database maintained by the Cloud Security Alliance. The link to the entry is available in the references section.
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