cve/2024/CVE-2024-56161.md

### [CVE-2024-56161](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56161)
![](https://img.shields.io/static/v1?label=Product&message=AMD%20EPYC%E2%84%A2%207001%20Series&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=AMD%20EPYC%E2%84%A2%207002%20Series&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=AMD%20EPYC%E2%84%A2%207003%20Series&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=AMD%20EPYC%E2%84%A2%209004%20Series&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-347%20Improper%20Verification%20of%20Cryptographic%20Signature&color=brightgreen)

### Description

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2025/02/04/1

#### Github
- https://github.com/divestedcg/real-ucode
- https://github.com/e-tho/ucodenix
- https://github.com/w4zu/Debian_security