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goroutine leak
About this tag
A goroutine leak occurs when goroutines in a Go program are created but never exit, causing memory to accumulate over time. On WindowsForum.com, discussions focus on CVE-2025-64329, a vulnerability in the containerd CRI server that allows repeated use of the CRI Attach feature to leak goroutines, steadily increasing memory usage until the host's memory is exhausted. This poses a denial-of-service risk for clusters and hosts exposing Attach functionality to untrusted users. The issue has been patched in short-cycle releases, and operators are advised to upgrade or apply short-term mitigations. The tag covers troubleshooting, patching, and security implications of goroutine leaks in containerized Windows environments.
A newly disclosed vulnerability in the containerd CRI server — tracked as CVE-2025-64329 — allows repeated use of the CRI Attach feature to leak goroutines and steadily increase the containerd process’s memory footprint until the host’s memory is exhausted. The issue, reported to the containerd...