net: ieee802154: ca8210: Stop leaking skb's
Summary
GSD-2022-1000671: net: ieee802154: ca8210: Stop leaking skb's. Affects Kernel versions >= ded845a781a578dfb0b5b2c138e5a067aa3b1242, < 21feb6df3967541931242c427fe0958276af81cc. No fix is published. How to fix ↓
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Background
The ca8210 module is a part of the Linux Kernel, specifically the ieee802154 subsystem. It provides support for the CA8210 IEEE 802.15.4 radio transceiver. This module allows communication between devices using the IEEE 802.15.4 standard, which is commonly used in wireless sensor networks and low-power personal area networks. The vulnerability in this module leads to the leaking of skb's (socket buffers), which can have potential security implications.
Vulnerability Detail
The vulnerability in the ca8210 module of the Linux Kernel allows skb's to be leaked. skb's are used for data transmission between network layers in the kernel. When skb's are leaked, it can result in memory corruption and potential security vulnerabilities. An attacker may be able to exploit this vulnerability to execute arbitrary code or cause a denial of service. The vulnerability was introduced in version v4.12 of the Linux Kernel and has been fixed in version v5.16.8.
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 update the Linux Kernel to the fixed version.
Conclusion
The ca8210 module in the Linux Kernel is vulnerable to skb leakage, which can result in memory corruption and potential security vulnerabilities. It is recommended to update the Linux Kernel to version v5.16.8 or later to fix this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The vulnerability can lead to memory corruption and potential security vulnerabilities. An attacker may be able to execute arbitrary code or cause a denial of service.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground 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 patch the vulnerability as soon as possible to mitigate any potential risks.
The recommended mitigation is to update the Linux Kernel to the fixed version. It is also important to follow best practices for secure software development and deployment to minimize the risk of exploitation.
You can find more information about this vulnerability in the GSD-2022-1000671.json file available in the GSD database (https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1000xxx/GSD-2022-1000671.json).
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