Data Race Vulnerability in drop_monitor Package
Summary
GSD-2022-1000466: drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit. Affects Kernel versions >= 4ea7e38696c7e798c47ebbecadfd392f23f814f9, < 3077976a752aa45392d0683f428ead099bc74661. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
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 behavior. However, a data race vulnerability has been discovered in the dropmon_net_event / trace_napi_poll_hit functions of the package.
Vulnerability Detail
The data race vulnerability in drop_monitor can lead to unpredictable behavior and potential security risks. It occurs when multiple threads access shared data without proper synchronization, resulting in race conditions. In this specific case, the vulnerability affects the dropmon_net_event and trace_napi_poll_hit functions, which are critical for network event monitoring and tracing. An attacker could potentially exploit this vulnerability to manipulate network events or cause denial-of-service conditions.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a workaround, until the kernel can be updated, it is advisable to avoid scenarios where multiple threads access the dropmon_net_event and trace_napi_poll_hit functions simultaneously. Implementing proper synchronization mechanisms, such as locks or atomic operations, can help mitigate the data race vulnerability.
Conclusion
The data race vulnerability in the drop_monitor package of the Linux Kernel can have serious security implications. It is crucial to update the kernel to the latest version to ensure the vulnerability is patched. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
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 behavior.
A data race vulnerability occurs when multiple threads access shared data without proper synchronization, leading to race conditions and unpredictable behavior.
The data race vulnerability in drop_monitor can be exploited by attackers to manipulate network events or cause denial-of-service conditions.
To fix this vulnerability, update the Linux Kernel to version v5.15.25 or later, which includes the necessary patch for this issue.
As a temporary workaround, avoid scenarios where multiple threads access the vulnerable functions simultaneously and implement proper synchronization mechanisms.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
