# CWE-764: Multiple Locks of a CriticalResource + semmlecode-cpp-queries/Security/CWE/CWE-764/UnreleasedLock.ql: /CWE/CWE-764 @name Lock may not be released (CWE-764) + semmlecode-cpp-queries/Security/CWE/CWE-764/TwiceLocked.ql: /CWE/CWE-764 @name Mutex locked twice (CWE-764) + semmlecode-cpp-queries/Security/CWE/CWE-764/LockOrderCycle.ql: /CWE/CWE-764 @name Cyclic lock order dependency (CWE-764)