CVE-2022-48189 Other in ThinkPad BIOS

Medium 6.7 Published 30 Oct 2023 Updated 9 Sep 2024

Local attackers with elevated privileges can execute arbitrary code via an input validation flaw in Lenovo ThinkPad BIOS SMM drivers.

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-2022-48189?

CVE-2022-48189 is a medium-severity vulnerability in Lenovo ThinkPad BIOS, published on 30 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An SMM driver input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.

Weakness: CWE-20

Which versions are affected by CVE-2022-48189?

It affects 85 products.

Products include Lenovo Thinkpad E14 Firmware, Lenovo Thinkpad E14 Gen 2 Firmware, Lenovo Thinkpad E14 Gen 4 Firmware, Lenovo Thinkpad E15 Firmware, Lenovo Thinkpad E15 Gen 2 Firmware, Lenovo Thinkpad E15 Gen 4 Firmware and 79 more.

How do I fix CVE-2022-48189?

No fix has been published for CVE-2022-48189 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-48189 being exploited?

There is no known exploitation of CVE-2022-48189 in the wild and no public exploit code.

Sources

Also known as GHSA-grhf-9x38-2pm7.