Data Race Vulnerability in drop_monitor Package
Summary
GSD-2022-1000312: drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit. Affects Kernel versions >= 4ea7e38696c7e798c47ebbecadfd392f23f814f9, < cbc0e2a098872c3d510aa492c5e487f52aea0e7c. No fix is published. How to fix ↓
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Background
The drop_monitor package is a component of the Linux Kernel, which is responsible for monitoring network events and tracing NAPI poll hits. It is designed to provide insights into network performance and diagnose potential issues. However, a data race vulnerability has been identified in the dropmon_net_event / trace_napi_poll_hit functions, which can lead to unpredictable behavior and potential security risks.
Vulnerability Detail
The data race vulnerability in drop_monitor arises from a race condition in the dropmon_net_event and trace_napi_poll_hit functions. This vulnerability allows for concurrent access to shared data without proper synchronization, potentially leading to inconsistent or corrupted state. An attacker could exploit this vulnerability to manipulate network events or cause a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven, but it is crucial to address it to ensure the integrity and security of the system.
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. However, applying the recommended fix by updating the Linux Kernel to the latest stable version will address the issue.
Conclusion
The data race vulnerability in the drop_monitor package of the Linux Kernel can lead to unpredictable behavior and potential security risks. It is crucial to update the Linux Kernel to version v4.14.268 or later to address this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The drop_monitor package is a component of the Linux Kernel that monitors network events and traces NAPI poll hits. It provides insights into network performance and helps diagnose potential issues.
A data race vulnerability occurs when multiple threads or processes access shared data concurrently without proper synchronization. This can lead to unpredictable behavior and potential security risks.
The data race vulnerability in drop_monitor can result in inconsistent or corrupted state, potentially allowing an attacker to manipulate network events or cause a denial-of-service condition.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.14.268 or later, which includes the necessary patch to address the data race vulnerability.
There is no specific workaround mentioned for this vulnerability. Updating the Linux Kernel to the latest stable version is the recommended solution.
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