CVE-2022-1108 Privilege escalation in ThinkPad BIOS
Local attackers with elevated privileges can exploit improper buffer validation in the BIOS SMI handler to execute arbitrary code.
- 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-2022-1108?
CVE-2022-1108 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
A potential vulnerability due to improper buffer validation in the SMI handler LenovoFlashDeviceInterface in Thinkpad X1 Fold Gen 1 could be exploited by an attacker with local access and elevated privileges to execute arbitrary code.
Which versions are affected by CVE-2022-1108?
It affects 1 product.
Products include Lenovo Thinkpad X1 Fold Gen 1 Firmware.
How do I fix CVE-2022-1108?
No fix has been published for CVE-2022-1108 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-1108 being exploited?
There is no known exploitation of CVE-2022-1108 in the wild and no public exploit code.
Other vulnerabilities in Lenovo ThinkPad BIOS
Sources
Also known as GHSA-f7ff-r7m3-qvvg.