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CVE-2017-17448

Description

net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.

POC

Reference

- https://usn.ubuntu.com/3620-1/

Github

No PoCs found on GitHub currently.