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