bluetoothd does not need to execute mapped memory, or real-time access, so block those. --- src/bluetooth.service.in | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/bluetooth.service.in b/src/bluetooth.service.in index 4daedef2a..f18801866 100644 --- a/src/bluetooth.service.in +++ b/src/bluetooth.service.in @@ -22,9 +22,15 @@ ProtectControlGroups=true ReadWritePaths=@statedir@ ReadOnlyPaths=@confdir@ +# Execute Mappings +MemoryDenyWriteExecute=true + # Privilege escalation NoNewPrivileges=true +# Real-time +RestrictRealtime=true + [Install] WantedBy=bluetooth.target Alias=dbus-org.bluez.service -- 2.34.1
