Fix of CVE: CVE-2020-0466, CVE-2022-0492, CVE-2021-4155, CVE-2021-0920

cgroup-v1: Require capabilities to set releaseagent ELSCVE-3555 CVE-2022-0492 - xfs: map unwritten blocks in XFSIOCALLOC,FREESP just like fallocate ELSCVE-3891 CVE-2021-4155 - afunix: fix garbage collect vs MSGPEEK ELSCVE-3728 CVE-2021-0920 - epoll: Keep a reference on files added to the check...