This serious firmware flaw affects a whole load of Lenovo laptops

Three serious security vulnerabilities has been discovered, and patched, across a whole slew of Lenovo laptops. 

Cybersecurity experts from ESET uncovered the issue in the ReadyBootDxe driver used by some Lenovo notebooks, as well as two buffer overflow issues found in the SystemLoadDefaultDxe driver, potentially allowing threat actors to hijack the startup routine of Windows installations.