Vulnerability in Kernel: wifi: mac80211: fix queue selection for mesh/OCB interfaces
Summary
GSD-2022-1004414: wifi: mac80211: fix queue selection for mesh/OCB interfaces. Affects Kernel versions < 5a9df31017999197b6e60535940f2f2fe1bd3b0d. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionality and acts as an interface between hardware and software. It manages system resources, facilitates communication between different software components, and enables the execution of user programs. The wifi subsystem within the Kernel is responsible for handling wireless network connections. It includes the mac80211 module, which implements the IEEE 802.11 wireless LAN protocol. This vulnerability specifically affects the queue selection mechanism for mesh/OCB (Outside the Context of a Basic Service Set) interfaces.
Vulnerability Detail
The vulnerability in the mac80211 module of the Kernel affects the queue selection process for mesh/OCB interfaces. The issue arises from a flaw in the code that leads to incorrect queue selection, potentially causing packet loss or delays in transmission. An attacker could exploit this vulnerability to disrupt network communication or launch denial-of-service attacks. The impact of this vulnerability may vary depending on the specific network configuration and usage scenario. It is important to note that the actual impact and attack plausibility have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
In conclusion, the vulnerability in the Kernel's mac80211 module affects the queue selection process for mesh/OCB interfaces. It is crucial to update the Kernel to the latest version, v5.15.56, to mitigate the vulnerability. Regularly applying security patches and following best practices for Kernel updates is essential to ensure the security and stability of the system. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the network configuration and usage scenario. It could potentially lead to packet loss or delays in transmission, disrupting network communication or enabling denial-of-service attacks.
There is no evidence to suggest that this vulnerability has been exploited in the wild at the time of this report. However, it is always recommended to apply security patches promptly to mitigate potential risks.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert is a tool that monitors and alerts in real-time for open-source vulnerabilities in software, using just a manifest file like package-lock.json. It does not require access to the code or installation.
At the time of this report, no specific workarounds have been identified for this vulnerability. It is recommended to update the Kernel to the latest version available.
For more details about this vulnerability, you can refer to the source provided by the Cloud Security Alliance's GSD Database (https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1004xxx/GSD-2022-1004414.json).
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