An ErrorMessage driver stack-based buffer overflow vulnerability in BIOS of some ThinkPad models could allow an attacker with local access to elevate their privileges and execute arbitrary code.
A buffer overflow vulnerability in the SecureBootDXE BIOS driver of some Lenovo Desktop and ThinkStation models could allow an attacker with local access to elevate their privileges to execute arbitrary code.
Lenovo was notified of a potential denial of service vulnerability, affecting various versions of BIOS for Lenovo Desktop, Desktop - All in One, and ThinkStation, that could cause PCRs to be cleared intermittently after resuming from sleep (S3) on systems with Intel TXT enabled.