CVE-2022-1892 Memory corruption in BIOS

Medium 6.7 Published 23 Jan 2023 Updated 2 Apr 2025

A buffer overflow in Lenovo Notebook BIOS allows local attackers to execute arbitrary code and escalate privileges.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-1892?

CVE-2022-1892 is a medium-severity memory corruption vulnerability in Lenovo BIOS, published on 23 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A buffer overflow in the SystemBootManagerDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

Weakness: CWE-120, CWE-122

Which versions are affected by CVE-2022-1892?

It affects 70 products.

Products include Lenovo 100e 2nd Gen Firmware, Lenovo 100w Gen 3 Firmware, Lenovo 13w Yoga Firmware, Lenovo 14w Gen 2 Firmware, Lenovo 300e 2nd Gen Firmware, Lenovo 300w Gen 3 Firmware and 64 more.

How do I fix CVE-2022-1892?

No fix has been published for CVE-2022-1892 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-1892 being exploited?

There is no known exploitation of CVE-2022-1892 in the wild and no public exploit code.

Sources

Also known as GHSA-vw4p-v429-wp9h.