Vulnerability in Kernel: ipack: ipoctal: fix module reference leak
Summary
GSD-2021-1001495: ipack: ipoctal: fix module reference leak. Affects Kernel versions >= 82a82340bab6c251e0705339f60763718eaa2a22, < 31398849b84ebae0d43a1cf379cb9895597f221a. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities such as device drivers, memory management, and process scheduling. The ipack module within the Kernel is responsible for handling communication with IP-based devices. However, a vulnerability has been identified in the ipoctal module, which can lead to a module reference leak.
Vulnerability Detail
The ipoctal module in the Kernel suffers from a module reference leak vulnerability. This vulnerability was introduced in version v3.18 of the Kernel by commit 82a82340bab6c251e0705339f60763718eaa2a22 and was fixed in version v4.4.286 by commit 31398849b84ebae0d43a1cf379cb9895597f221a. The vulnerability allows an attacker to leak module references, potentially leading to resource exhaustion or privilege escalation attacks. Although the impact and attack plausibility have not been proven, it is crucial to address this vulnerability to ensure the security and stability of the system.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been mentioned for this vulnerability.
Conclusion
The ipoctal module in the Kernel is vulnerable to a module reference leak, which can potentially lead to resource exhaustion or privilege escalation attacks. It is crucial to update the Linux Kernel to version v4.4.286 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, it has the potential to lead to resource exhaustion or privilege escalation attacks.
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 Vulert will analyze it in real-time to identify any open-source vulnerabilities, including this one.
No known exploit has been reported for this vulnerability at the moment.
The recommended mitigation is to update the Linux Kernel to version v4.4.286 or later.
You can find more information about this vulnerability in the official Linux Kernel repository and the Cloud Security Alliance's GSD database (https://github.com/cloudsecurityalliance/gsd-database).
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