Vulnerability in Linux Kernel: hv: vmbus
Summary
GSD-2022-1001985: Drivers: hv: vmbus: Fix potential crash on module unload. Affects Kernel versions >= 74347a99e73ae00b8385f1209aaea193c670f901, < cf580d2e3884dbafd6b90269b03a24d661578624. No fix is published. How to fix ↓
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Background
The Linux Kernel is a widely used open-source operating system kernel that serves as the foundation for various Linux distributions. It provides essential functionality for hardware abstraction, process management, memory management, and device drivers. One of the components within the Linux Kernel is the hv (Hyper-V) vmbus driver, which facilitates communication between the host and virtual machines in a Hyper-V environment.
Vulnerability Detail
The hv: vmbus driver in the Linux Kernel is susceptible to a potential crash when the module is unloaded. This vulnerability was introduced in version v5.7 of the Linux Kernel and has been fixed in version v5.10.111. The impact and attack plausibility of this vulnerability have not been proven yet. However, if successfully exploited, it could lead to a system crash or denial of service (DoS) condition. The specific technical details of the vulnerability are not provided in the available information.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround information is provided for this vulnerability.
Conclusion
The hv: vmbus driver in the Linux Kernel is vulnerable to a potential crash on module unload. It is recommended to update the Linux Kernel to version v5.10.111 or later to mitigate this vulnerability. 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 if successfully exploited, it could result in a system crash or denial of service (DoS) condition.
To fix this vulnerability, update the Linux Kernel to version v5.10.111 or later.
No specific workaround information is provided for this vulnerability.
The vulnerability was introduced in version v5.7 of the Linux Kernel and is fixed in version v5.10.111.
For more details about this vulnerability, refer to the provided references link.
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