The vulnerability of the Ubuntu operating system, which allows a hacker to bypass the screen lock mechanism

The vulnerability of the driver/subprocs.c file of the XScreenSaver component in the Ubuntu operating system is related to deficiencies in access control for certain functions. Exploiting this vulnerability could allow a malicious individual to bypass screen lockouts by reconnecting the monitors...

CVE-2015-8025

driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal consistency check, which allows physically proximate attackers to bypass the lock screen by hot swapping monitors...