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If an exception occurs while a mutex is locked, deadlock may result.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
CON51-CPP | Low | Probable | Low | P6 | L2 |
Automated Detection
Tool | Version | Checker | Description |
|---|
| CodeSonar |
| CONCURRENCY.LOCK.NOUNLOCK | Missing Lock Release | ||||||
| Helix QAC |
| C++ |
| 5018 | |
| Parasoft C/ |
| C++test |
|
| CERT_CPP-CON51-a | Do not call lock() directly on a mutex | |||||||
| Polyspace Bug Finder |
| CERT C++: CON51-CPP | Checks for lock possibly not released on exception (rule fully covered) |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
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This rule is a subset of ERR56-CPP. Guarantee exception safety.
| MITRE CWE | CWE-667, Improper Locking |
| SEI CERT Oracle Coding Standard for Java | LCK08-J. Ensure actively held locks are released on exceptional conditions |
Bibliography
| [ISO/IEC 14882-2014] | Subclause 30.4.2, "Locks" |
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