CVE-2022-1107 Privilege escalation in ThinkPad BIOS
An attacker with elevated privileges can execute arbitrary code via a vulnerability in the SmmOEMInt15 SMI handler in Lenovo ThinkPad BIOS.
- 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-2022-1107?
CVE-2022-1107 is a medium-severity vulnerability in Lenovo ThinkPad BIOS, published on 22 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
During an internal product security audit a potential vulnerability due to use of Boot Services in the SmmOEMInt15 SMI handler was discovered in some ThinkPad models could be exploited by an attacker with elevated privileges that could allow for execution of code.
Which versions are affected by CVE-2022-1107?
It affects 30 products.
Products include Lenovo Thinkpad 11e Firmware, Lenovo Thinkpad 11e Yoga Firmware, Lenovo Thinkpad Helix Firmware, Lenovo Thinkpad L560 Firmware, Lenovo Thinkpad L570 Firmware, Lenovo Thinkpad P50s Firmware and 24 more.
How do I fix CVE-2022-1107?
No fix has been published for CVE-2022-1107 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-1107 being exploited?
There is no known exploitation of CVE-2022-1107 in the wild and no public exploit code.
Other vulnerabilities in Lenovo ThinkPad BIOS
Sources
Also known as GHSA-qmwg-7c3h-jmrr.