net/sched: fq_pie: prevent dismantle issue in Kernel
Summary
GSD-2021-1002510: net/sched: fq_pie: prevent dismantle issue. Affects Kernel versions >= ec97ecf1ebe485a17cd8395a5f35e6b80b57665a, < 2a51edaf5cc563574878b93d7ef3d5955dda7030. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functionalities such as process management, memory management, and device drivers. The fq_pie module in the Kernel is responsible for implementing the Fair Queuing (FQ) with Proportional Integral controller Enhanced (PIE) algorithm for network traffic scheduling. This algorithm aims to improve network performance and fairness. However, a vulnerability has been discovered in the fq_pie module that could lead to a dismantle issue.
Vulnerability Detail
The vulnerability in the fq_pie module allows an attacker to exploit a dismantle issue. When triggered, this issue can potentially disrupt network traffic scheduling, leading to performance degradation, unfair resource allocation, or even denial of service. The dismantle issue arises due to a flaw in the implementation of the fq_pie module, which can be exploited by an attacker with network access and the ability to send specially crafted packets. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround available for this vulnerability. It is essential to update the Kernel to the fixed version as soon as possible.
Conclusion
The fq_pie module in the Kernel is vulnerable to a dismantle issue, which can potentially disrupt network traffic scheduling and impact performance. It is crucial to update the Linux Kernel to version v5.10.85 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the specific environment and network configuration. It could potentially lead to performance degradation, unfair resource allocation, or denial of service.
An attacker with network access and the ability to send specially crafted packets can exploit this vulnerability.
No, the impact and attack plausibility of this vulnerability have not been proven yet.
To fix this vulnerability, update the Linux Kernel to version v5.10.85 or later, which includes the necessary patch.
No, there is no known workaround for this vulnerability. Updating the Kernel is the recommended solution.
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