CVE-2025-29941: AMD SEV firmware vulnerability

Published Nov 10, 2026

Updated

Incorrect usage of seeds in pseudo-random number generator in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor or migration agent to import a forged guest context potentially resulting in loss of confidentiality for derived guest keys.

Affected Software

1 affected component

AMD SEV firmware

Event History

Nov 10, 2026

CVE Published

via MITRE·10:12 PM

Data Sourced

via MITRE·10:12 PM

DescriptionWeakness

Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

The attacker must be a malicious hypervisor or a migration agent capable of importing a forged guest context.

What is the security impact if exploitation succeeds?

Successful exploitation can result in loss of confidentiality for derived guest keys.

CVE-2025-29941: AMD SEV firmware vulnerability

Affected Software

Event History

Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

What is the security impact if exploitation succeeds?

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Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

What is the security impact if exploitation succeeds?