net: ieee802154: at86rf230: Stop leaking skb's in Kernel
Summary
GSD-2022-1000535: net: ieee802154: at86rf230: Stop leaking skb's. Affects Kernel versions < 1c72f04d52b7200bb83426a9bed378668271ea4a. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that manages system resources and provides an interface for applications to interact with the hardware. It is responsible for tasks such as process management, memory management, and device drivers. The ieee802154 subsystem in the Kernel provides support for wireless communication using the IEEE 802.15.4 standard. The at86rf230 driver is specifically designed for the Atmel AT86RF230 radio transceiver. This vulnerability in the at86rf230 driver allows for the leaking of skb's (socket buffers), which can lead to potential security issues.
Vulnerability Detail
The vulnerability in the at86rf230 driver allows skb's to be leaked, which can have several implications. A malicious actor could potentially exploit this vulnerability to gain unauthorized access to sensitive information or execute arbitrary code on the affected system. By continuously leaking skb's, system resources can be depleted, leading to denial-of-service conditions. The vulnerability is fixed in Linux Kernel version v5.16.11 by commit 1c72f04d52b7200bb83426a9bed378668271ea4a.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in the at86rf230 driver of the Kernel allows for skb's to be leaked, potentially leading to unauthorized access or denial-of-service conditions. It is crucial to update the Kernel to version v5.16.11 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows for skb's to be leaked, which can lead to potential security issues such as unauthorized access to sensitive information or arbitrary code execution.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and it will alert you in real-time if the vulnerability is present.
Yes, the vulnerability is fixed in Linux Kernel version v5.16.11 by commit 1c72f04d52b7200bb83426a9bed378668271ea4a.
Updating the Kernel to the fixed version is the recommended approach. However, if updating is not feasible, you can consider implementing additional security measures such as network segmentation and access controls to minimize the potential impact.
You can find more information about this vulnerability in the GSD database entry: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1000xxx/GSD-2022-1000535.json
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