I was seeing the following errors from systemd-modules-load without this search permission.
Dec 7 14:36:19 systemd-modules-load: Failed to insert 'nf_conntrack_ftp': Required key not available
Dec 7 14:36:19 kernel: Request for unknown module key 'Red Hat Enterprise Linux kernel signing key: 3ffb026dadef6e0bc404752a7e7c29095a68eab7' err -13
Dec 7 14:36:19 systemd: systemd-modules-load.service: main process exited, code=exited, status=1/FAILURE
Dec 7 14:36:19 audispd: node=loacalhost type=PROCTITLE msg=audit(1607351779.441:3259): proctitle="/usr/lib/systemd/systemd-modules-load"
Dec 7 14:36:19 systemd: Failed to start Load Kernel Modules.
This is the denial:
Dec 7 15:56:52 audispd: node=localhost type=AVC msg=audit(1607356612.877:3815): avc: denied { search } for pid=11715 comm="systemd-modules" scontext=system_u:system_r:systemd_modules_load_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=key permissive=1
Signed-off-by: Dave Sugar <dsugar@tresys.com>