Integer underflow in the l2cap_config_req function in
net/bluetooth/l2cap_core.c in the Linux kernel before 3.0 allows
remote attackers to cause a denial of service (heap memory corruption)
or possibly have unspecified other impact via a small command-size
value within the command header of a Logical Link Control and
Adaptation Protocol (L2CAP) configuration request, leading to a buffer
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