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See how you can change the process-execution flow in the target Linux Power systems and overwrite a local variable in 32- and 64-bit modes to correct buffer overflow.
Buffer overflows occur when a process tries to store data outside of the bounds of a fixed-length buffer. When that happens, all sorts of erratic system behavior can result. In this article, all examples of buffer overflow vulnerabilities in Linux running on Power/Cell Broadband Engine Architecture processor-based servers were developed and executed on an IBM BladeCenter JS22 Express server, an IBM BladeCenter QS21 server, and a Sony Playstation 3 running Red Hat Enterprise Linux 4 Update 7.
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