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Test your applicationsUpgrade Oracle:7 kernel-uek-debug to version 0:3.8.13-68.3.4.el7uek or higher.
This issue was patched in ELSA-2015-3048.
Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug package and not the kernel-uek-debug package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Linux kernel before 3.19.6 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.