CWE-414: Missing Lock Check

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A product does not check to see if a lock is present before performing sensitive operations on a resource.

What the weakness is: CWE-414 at MITRE. All weaknesses

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Explain CWE-414: Missing Lock Check and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/414.html and https://cve.bz/cve/cwe/414?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

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2.1CVE-2026-54906EPSS 0.2%2026-06-24
concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReadWriteLock#release_write_lock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an …
5.9CVE-2025-54510EPSS 0.1%2026-04-16
A missing lock verification in AMD Secure Processor (ASP) firmware may permit a locally authenticated attacker with administrative privileges to alter MMIO routing on some Zen 5-based products, potentially compromising guest system integri…
4.7CVE-2025-54625EPSS 0.08%2025-08-06
Race condition vulnerability in the kernel file system module. Impact: Successful exploitation of this vulnerability may affect availability.
5.5CVE-2023-5447EPSS 0.2%2024-05-14
Missing lock check in SynHsaService may create a use-after-free condition which causes abnormal termination of the service, resulting in denial of service for the Synaptics Hardware Support App.