microsoft / microsoft/SysmonForLinux

Config is lost after update to 1.5

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@MarioHewardt is already working on this.

Since Feb 20, 2026.

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Description

On all our SLES 15 SP7 hosts, the update of sysmonforlinux from 1.4 to 1.5 led to the whole directory /opt/sysmon being removed and sysmonforlinux subsequently failing to start. As sysmonforlinux is unfortunately vital for our SIEM solution, this led to a severe security issue.

This seems to be a bug that resurfaced:
https://github.com/microsoft/SysmonForLinux/issues/177

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