cve 2025 37747

About this tag
CVE-2025-37747 is a denial-of-service vulnerability in the Linux kernel's perf subsystem that can cause hosts to hang while freeing a sigtrap event. The issue, a subtle race condition in the perf teardown flow, has been fixed upstream and in many vendor kernels. While this is a Linux kernel vulnerability, Windows users and IT professionals running Linux virtual machines or WSL on Windows should be aware of the fix to ensure their systems are patched against potential hangs. The tag covers the technical details of the bug, its impact, and the corrective patch.

  1. Linux perf Hang Fix CVE-2025-37747 Restores Safe Teardown

    Linux kernel maintainers closed a subtle but impactful race in the perf subsystem that could cause hosts to hang while freeing a sigtrap event, a denial‑of‑service condition tracked as CVE‑2025‑37747 and now fixed upstream and in many vendor kernels. Background The Linux perf subsystem is the...
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