net/netfilter/nfnetlink_cthelper.c in the Linux kernel...
High severity
Unreviewed
Published
May 13, 2022
to the GitHub Advisory Database
•
Updated Feb 2, 2023
Description
Published by the National Vulnerability Database
Dec 7, 2017
Published to the GitHub Advisory Database
May 13, 2022
Last updated
Feb 2, 2023
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.
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