Cloud-init Bug Fix and Enhancement Update - AlmaLinux:8
Summary
ALEA-2021:5239: cloud-init bug fix and enhancement update. Affects cloud-init versions < 21.1-7.el8_5.3.alma. Fixed in 21.1-7.el8_5.3.alma. How to fix ↓
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Background
The cloud-init packages provide a set of init scripts for cloud instances. These scripts are essential for cloud instances as they facilitate the retrieval and installation of SSH keys and allow users to run various scripts during initialization.
Cloud-init is commonly used in AlmaLinux:8 to configure routes and perform other initialization tasks.
Vulnerability Detail
The vulnerability identified in this update is related to the cloud-init service failing to start after a package update. This issue can cause disruptions in the initialization process of cloud instances, leading to potential delays or failures in retrieving SSH keys and executing necessary scripts.
Additionally, versions above 19.2 of cloud-init in AlmaLinux:8 may fail to configure routes when attempting to set up both static and default routes to the same destination IP. This can result in incorrect routing configurations and potential network connectivity issues.
How To Fix
Minimum fixed version
21.1-7.el8_5.3.alma
This is the first release that contains the fix.
sudo dnf update cloud-initTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The cloud-init bug fix and enhancement update addresses the issue of the service failing to start after a package update and resolves the route configuration issue. It is recommended to update the cloud-init package to the specified version to ensure proper service initialization and avoid potential network connectivity issues.
For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for cloud-init →
FAQ
Cloud-init is a set of init scripts used in cloud instances to retrieve and install SSH keys, as well as execute various scripts during initialization.
The failure of the cloud-init service to start can result in delays or failures in retrieving SSH keys and executing necessary scripts during the initialization process of cloud instances.
To fix the cloud-init service startup issue, update the cloud-init package to version 21.1-7.el8_5.3.alma or later.
Configuring both static and default routes to the same destination IP can lead to incorrect routing configurations and potential network connectivity issues.
To avoid the route configuration issue, choose either static or default routes based on your specific requirements and network setup.
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