CVE-2024-38798 Uncleared password keystrokes in circular queue can lead to information disclosure or escalation of privilege
Local attackers can read uncleared password keystrokes from a circular queue in EDK2 firmware, leading to information disclosure or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-38798?
CVE-2024-38798 is a medium-severity vulnerability in TianoCore EDK2, published on 9 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
EDK2 contains a vulnerability in BIOS where an attacker may cause “Exposure of Sensitive Information to an Unauthorized Actor” by local access. Successful exploitation of this vulnerability will lead to
possible information disclosure or escalation of privilege
and impact Confidentiality.
Weakness: CWE-200
Which versions are affected by CVE-2024-38798?
How do I fix CVE-2024-38798?
Apply the vendor's patch.
Is CVE-2024-38798 being exploited?
There is no known exploitation of CVE-2024-38798 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2024-38798, DEBIAN-CVE-2024-38798, GHSA-q2c6-37h5-7cwf, GHSA-r48c-47wj-rhc5, UBUNTU-CVE-2024-38798.