CVE-2025-29939

Vulnerability Description

Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and integrity.

Related Weaknesses (CWE)

CWE-284

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

FAQ

What is CVE-2025-29939?

CVE-2025-29939 is a documented vulnerability. Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially ...

How severe is CVE-2025-29939?

CVSS scoring is not yet available for CVE-2025-29939. Check NVD for updates.

Is there a patch for CVE-2025-29939?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.