QNX 6.1 TimeCreate weakness

I've found bug in QNX-6.1 timer implementation. After creating some number at least 2 of timers with 1 ms tick system hangs. Please consider attached source code. Code can be executed by unprivilegged users. Pawel Pisarczyk ------------------------ IMMOS - IMMOrtal Systems...

QNX 6.1 - 'TimeCreate' Local Denial of Service

// source: https://www.securityfocus.com/bid/6114/info A denial of service vulnerability has been discovered in QNX. It has been reported that it is possible for unprivileged users to cause QNX systems to stop responding, by creating multiple timers containing specific characteristics. It should ...