CVE-2022-48181 Memory corruption in ThinkStation BIOS

Medium 6.7 Published 5 Jun 2023 Updated 8 Jan 2025

A local attacker can exploit a stack-based buffer overflow in the BIOS 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-2022-48181?

CVE-2022-48181 is a medium-severity memory corruption vulnerability in Lenovo ThinkStation BIOS, published on 5 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-787

Which versions are affected by CVE-2022-48181?

It affects 114 products.

Products include Lenovo Ideacentre 3-07ada05 Firmware, Lenovo Ideacentre 3-07imb05 Firmware, Lenovo Ideacentre 3 07ach7 Firmware, Lenovo Ideacentre 3 07iab7 Firmware, Lenovo Ideacentre 5-14acn6 Firmware, Lenovo Ideacentre 5-14are05 Firmware and 108 more.

How do I fix CVE-2022-48181?

No fix has been published for CVE-2022-48181 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-2022-48181 being exploited?

There is no known exploitation of CVE-2022-48181 in the wild and no public exploit code.

Sources

Also known as GHSA-grw6-c348-h4cc.