Linux buffer overflow issues on Power-based systemsJan 08, 2009, 10:30 (0 Talkback[s])
(Other stories by Ramon De Carvalho Valle)
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"Let's start with a quick review of buffer overflows. A buffer overflow, or buffer overrun, occurs when a process attempts to store data beyond the boundaries of a fixed-length buffer. The result is that the extra data overwrites adjacent memory locations. The overwritten data can include other buffers, variables, program flow data, etc. Overwriting this data can cause such problems as erratic program behavior, memory-access exceptions, program terminations of the crash variety, the wrong returned results, or the most dangerous thing for systems integrity: a breach of security.
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