Linux kernel is using wrong access permission.It can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.
lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832
security.netapp.com/advisory/ntap-20200904-0003/
usn.ubuntu.com/4465-1/
usn.ubuntu.com/4483-1/
usn.ubuntu.com/4485-1/
www.oracle.com/security-alerts/cpuApr2021.html
www.starwindsoftware.com/security/sw-20210325-0004/