[Bug 295485] need a way to block zfs.ko from being autoloaded by tools like puppet and facter (FatGID Vuln / CVE-2026-45250)

[email protected] Sun, 21 Jun 2026 16:43:49 +0000
Newsgroups gmane.os.freebsd.devel.file-systems
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295485

--- Comment #34 from Mark Millard <[email protected]> ---
(In reply to Mark Millard from comment #32)

https://github.com/openzfs/zfs/pull/18694/changes/3c971d9b219ac135767802c5c014fdd687dacf5b

has been proposed for committal upstream.

On Linux, zpool upgrade -v does use results from the
kernel module involved: /sys/module/zfs/features.pool
is used. So this change is FreeBSD specific and Linux
would still load the kernel module.

The zfs upgrade -v change is more general since Linux
does not use kernel module results.

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