This release fixes two security mount(8) and umount(8) issues:
CVE-2021-3996
Improper UID check in libmount allows an unprivileged user to unmount FUSE
filesystems of users with similar UID.
CVE-2021-3995
This issue is related to parsing the /proc/self/mountinfo file allows an
unprivileged user to unmount other user's filesystems that are either
world-writable themselves or mounted in a world-writable directory.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
18c6b99666