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CVS commit: src/sys/kern
Module Name: src
Committed By: drochner
Date: Thu Dec 10 12:39:12 UTC 2009
If a struct sigevent with SIGEV_SIGNAL is passed to timer_create(2),
check the signal number to be in the allowed range. An invalid
signal number could crash the kernel by overflowing the sigset_t
More checks would be good, and SIGEV_THREAD shouldn't be dropped
silently, but this fixes at least the local DOS vulnerability.
To generate a diff of this commit:
cvs rdiff -u -r1.162 -r1.163 src/sys/kern/kern_time.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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