KB5049984: Overview with user sentiment and feedback

Overview

KB5049984, released on January 14, 2025, is a security update for Windows Server version 23H2, specifically OS Build 25398.1369. This update primarily focuses on enhancing the quality and security of the operating system. It addresses several key issues that have been reported by users, particularly those related to virtual machine functionality and network adapter configurations. The update also includes improvements to the Windows Kernel Vulnerable Driver Blocklist, which is crucial for protecting against potential vulnerabilities associated with third-party drivers. Overall, this update aims to provide a more stable and secure environment for users of Windows Server 23H2.

General Purpose

The purpose of KB5049984 is to implement critical fixes and improvements to Windows Server version 23H2. Notably, it resolves an issue where a Windows guest machine fails to start when nested virtualization is enabled on a host that supports AVX10. Additionally, it enhances the Windows Kernel Vulnerable Driver Blocklist by adding more drivers that are susceptible to Bring Your Own Vulnerable Driver (BYOVD) attacks. Another significant fix addresses the inability to retrieve LAN over USB details on certain platforms, which occurs when two drivers are installed with differing class IDs. This update is essential for maintaining the security and functionality of the server environment.

General Sentiment

The general sentiment surrounding KB5049984 appears to be mixed. While the update addresses several critical issues and enhances security, there are reports of known issues, particularly concerning the OpenSSH service failing to start after the installation of the October 2024 security update. This has led to some frustration among users, especially those in enterprise and educational settings. However, the presence of workarounds and Microsoft's commitment to investigating these issues has provided some reassurance. Overall, while the update is seen as necessary, the known issues may cause hesitation among users considering installation.

Known Issues

• The OpenSSH service fails to start after the October 2024 security update, preventing SSH connections.
• Manual intervention is required to run the sshd.exe process due to lack of detailed logging.
• Affected users can temporarily resolve the issue by updating permissions on the directories C:ProgramDatassh and C:ProgramDatasshlogs.

Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2025-02-28 07:26 PM

Back to Knowledge Base Catalog