CVE-2022-4432 Information disclosure in ThinkPad X13s
A local attacker with elevated privileges can exploit a buffer over-read in the BIOS driver to disclose sensitive information.
- 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-2022-4432?
CVE-2022-4432 is a medium-severity vulnerability in Lenovo ThinkPad X13s, published on 5 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer over-read vulnerability was reported in the ThinkPadX13s BIOS PersistenceConfigDxe driver that could allow a local attacker with elevated privileges to cause information disclosure.
Which versions are affected by CVE-2022-4432?
It affects 1 product.
Products include Lenovo Thinkpad X13s Firmware.
How do I fix CVE-2022-4432?
No fix has been published for CVE-2022-4432 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-4432 being exploited?
There is no known exploitation of CVE-2022-4432 in the wild and no public exploit code.
Other vulnerabilities in Lenovo ThinkPad X13s
Sources
Also known as GHSA-pfr5-q6hv-m7f4.