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http://security.freebsd.org/advisories/FreeBSD-SA-09:06.ktimer.asc
https://bugs.gentoo.org/show_bug.cgi?id=263844
CVE-2009-1041
Index: sys/kern/kern_time.c
===================================================================
--- sys/kern/kern_time.c (revision 190192)
+++ sys/kern/kern_time.c (working copy)
@@ -1085,7 +1085,8 @@
struct itimer *it;
PROC_LOCK_ASSERT(p, MA_OWNED);
- if ((p->p_itimers == NULL) || (timerid >= TIMER_MAX) ||
+ if ((p->p_itimers == NULL) ||
+ (timerid < 0) || (timerid >= TIMER_MAX) ||
(it = p->p_itimers->its_timers[timerid]) == NULL) {
return (NULL);
}
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