The fst_get_iface function in drivers/net/wan/farsync.c in the Linux kernel before 3.11.7 does not properly initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability for an SIOCWANDEV ioctl call.
Exploitability
AV:LAC:LAu:SImpact
C:PI:NA:N1.7/AV:L/AC:L/Au:S/C:P/I:N/A:N