Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3019.html
- http://www.openwall.com/lists/oss-security/2025/02/04/1
- http://www.openwall.com/lists/oss-security/2025/03/06/2
- https://lists.debian.org/debian-lts-announce/2025/03/msg00024.html
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html
FAQ
What is CVE-2024-56161?
CVE-2024-56161 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 ...
How severe is CVE-2024-56161?
CVE-2024-56161 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-56161?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.