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Open Source and information security mailing list archives
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From: tomjohn at gmx.de (Thomas Preissler) Subject: Attacks based on predictable process IDs?? Hello Dirk, * Dirk schrieb am 27.11.2003: > On Thursday 27 November 2003 09:26, Wojciech Purczynski wrote: > > > 15 bits of randomness isn't sufficient to prevent guessing its value. > > current linux kernels provide more than 15bit pids ( I think its 30 or > 31bits). Not much more, but it makes it slightly more difficult. http://www.kniggit.net/wwol26.html, "Scalability Improvements" ... The number of PIDs (Process IDs) before wraparound has been bumped up from 32,000 to 1 billion, [...] ... Greets, Tom
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