Vulnerability record/PUBLISHED/Published Nov 10, 2026 22:12:52 UTC

CVE-2025-29941

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.

Base score6.0/ 10

SeverityMediumCVSS 4.0

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorLocalAV

Attack complexityLowAC

Attack requirementsNoneAT

Privileges requiredLowPR

User interactionNoneUI

Vulnerable system confidentialityNoneVC

Vulnerable system integrityNoneVI

Vulnerable system availabilityNoneVA

Subsequent system confidentialityHighSC

Subsequent system integrityNoneSI

Subsequent system availabilityNoneSA

CVSS vector stringCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityAMD

Last updatedNov 12, 2026 23:50:55 UTC

PublishedNov 10, 2026 22:12:52 UTC

ReservedMar 12, 2025 15:14:59 UTC