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Copy Fail Security Vulnerability

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Published: 11 May 2026 › Updated: 11 May 2026Copy Fail Security Vulnerability

Copy Fail Security Vulnerability

Due to a critical security vulnerability, I had to update my Witness node to a new Linux kernel. The node does not run in a Docker container; however, "Docker nodes" are not secure in this context either. Therefore, I advise every Witness to update their server to the latest Linux kernel.

https://en.wikipedia.org/wiki/Copy_Fail

Deutsch

Aufgrund einer kritischen Sicherheitslücke musste ich meinen Witness-Node auf einen neuen Linux-Kernel aktualisieren. Der Node läuft nicht in einem Docker-Container; allerdings sind auch „Docker-Nodes“ in diesem Kontext nicht sicher. Daher rate ich jedem Witness, seinen Server auf den aktuellsten Linux-Kernel zu aktualisieren.

https://en.wikipedia.org/wiki/Copy_Fail

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