Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-64078

In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: add and use xtables_unregister_table_exit Previous change added xtables_unregister_table_pre_exit to detach the table from the packetpath and to unlink it from the active table list. In case of rmmod, userspace that is doing set/getsockopt for this table will not be able to re-instantiate the table: 1. The larval table has been removed already 2. existing instantiated table is no longer on the xt pernet table list. This adds the second stage helper: unlink the table from the dying list, free the hook ops (if any) and do the audit notification. It replaces xt_unregister_table().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.7%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-64078


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