An issue was discovered in GNOME gvfs 1.29.4 through 1.41.2. daemon/gvfsbackendadmin.c mishandles a file’s user and group ownership during move (and copy with G_FILE_COPY_ALL_METADATA) operations from admin:// to file:// URIs, because root privileges are unavailable.
lists.opensuse.org/opensuse-security-announce/2019-07/msg00008.html
lists.opensuse.org/opensuse-security-announce/2019-07/msg00009.html
www.openwall.com/lists/oss-security/2019/07/09/3
gitlab.gnome.org/GNOME/gvfs/commit/409619412e11be146a31b9a99ed965925f1aabb8
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FP6BFQUPQRVRRFIYHFWWB6RHJNEB4LGQ/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2DQVOL5H5BVLXYCEB763DCIYJQ7ZUQ2/
usn.ubuntu.com/4053-1/