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Processes with elevated privileges can disable paging by locking memory in place using the POSIX mlock() function [Open Group 2004IEEE Std 1003.1:2013]. Disabling paging ensures that memory is never copied to the hard drive, where it may be retained indefinitely in nonvolatile storage.
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| CERT C++ Secure Coding Standard | MEM06-CPP. Ensure that sensitive data is not written out to disk |
| ISO/IEC TR 24772:2013 | Memory Locking [XZX] |
| MITRE CWE | CWE-591, Sensitive data storage in improperly locked memory CWE-528, Information leak through core dump files |
Bibliography
| [Open Group 04IEEE Std 1003.1:2013] | XSH, System Interface, mlock()XSH, System Interface, setrlimit() |
| [Wheeler 2003] | Section 7.14 Section 11.4 |
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