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The __skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel before 4.3 does not ensure that n_proto, ip_proto, and thoff are initialized, which allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a single crafted MPLS packet.
Base Score: 10
Impact Score: 10
Exploitability Score: 10
Base Score: 9.8
Impact Score: 5.9
Exploitability Score: 3.9
cpe:2.3:o:linux:linux_kernel:*:rc7:*:*:*:*:*:* versions up to 4.3 (inclusive)