The dbus_g_proxy_manager_filter function in dbus-gproxy in Dbus-glib before 0.100.1 does not properly verify the sender of NameOwnerChanged signals, which allows local users to gain privileges via a spoofed signal.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.002
                        
                    
                    
                        
                            EPSS Ranking 46.3%