A vulnerability has been identified in Linux Kernel, which could be exploited by local attackers to cause a denial of service. This flaw is due to a NULL pointer dereference in "ip_route_input" and "inet_rtm_getroute" [net/ipv4/route.c] when handling a specially crafted "route" command for a multicast IP address, which could be exploited by malicious users to crash a vulnerable system, creating a denial of service condition.
Credits
Vulnerability reported by Alexandra Kossovsky
ChangeLog
2006-04-18 : Initial release
2006-08-12 : Updated Solution
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