Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html
https://www.debian.org/security/2020/dsa-4647
https://usn.ubuntu.com/4311-1/
https://security.gentoo.org/glsa/202003-49
https://lists.debian.org/debian-lts-announce/2020/06/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html