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().

• https://git.kernel.org/stable/c/8026e5163cca1d1db436c7bfb89ddea8b5e8c2cfPatch
• https://git.kernel.org/stable/c/86ee5bc9c0f0e652e19f395675a432de11b75514Patch
• https://git.kernel.org/stable/c/b4597d5fd7d2f8cebfffd40dffb5e003cc78964cPatch

Published

Jul 19, 2026

Last Modified

Sep 3, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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