Vulnerability in Kernel: net: ieee802154: at86rf230
Summary
GSD-2022-1000325: net: ieee802154: at86rf230: Stop leaking skb's. Affects Kernel versions < 6312f6a53fd3ea38125dcaca5e3c9aa7d8a60cf7. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. The ieee802154 module within the Kernel provides support for wireless communication protocols, including the at86rf230 driver. This driver is used for IEEE 802.15.4 wireless devices, such as low-power wireless sensor networks. However, a vulnerability has been discovered in the at86rf230 driver that can lead to skb (socket buffer) leakage. This vulnerability could potentially be exploited by an attacker to exhaust system resources and cause a denial-of-service condition.
Vulnerability Detail
The vulnerability in the at86rf230 driver allows for skb leakage, which means that socket buffers are not properly released after use. This can result in a gradual depletion of system memory, leading to resource exhaustion and potential denial-of-service attacks. The issue has been identified and fixed in Linux Kernel version v4.19.231 by commit 6312f6a53fd3ea38125dcaca5e3c9aa7d8a60cf7.
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. The recommended approach is to apply the fix by updating the Linux Kernel to the patched version.
Conclusion
The vulnerability in the at86rf230 driver of the Kernel can lead to skb leakage, resulting in resource exhaustion and potential denial-of-service attacks. It is crucial to update the Linux Kernel to version v4.19.231 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to resource exhaustion and potential denial-of-service attacks by gradually depleting system memory.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including this one.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
The vulnerability itself does not provide remote code execution capabilities. However, an attacker could potentially exploit it to cause a denial-of-service condition, which may impact remote accessibility to the affected system.
The fix for this vulnerability is dependent on updating the Linux Kernel to version v4.19.231 or later. It is recommended to review the official documentation and installation instructions for the Kernel to ensure a smooth update process.
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