Multiple integer overflows in the (1) pppol2tp_sendmsg function in
net/l2tp/l2tp_ppp.c, and the (2) l2tp_ip_sendmsg function in
net/l2tp/l2tp_ip.c, in the PPPoL2TP and IPoL2TP implementations in the
Linux kernel before 188.8.131.52 allow local users to cause a denial of
service (heap memory corruption and panic) or possibly gain privileges
via a crafted sendto call.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[netdev] 20101027 Re: [PATCH 1/4] tipc: Fix bugs in tipc_msg_calc_data_size()
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