How severe is CVE-2025-0031?

CVE-2025-0031 has a CVSS 4.0 base score of 4.6, rated medium severity.

Is CVE-2025-0031 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-0031?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-0031 have an EU (EUVD) identifier?

Yes. CVE-2025-0031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207446.

When was CVE-2025-0031 published?

CVE-2025-0031 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2025-0031

CVE-2025-0031 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Medium (CVSS 4.0 base score 4.6)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207446
Weakness: CWE-416
Published: 2026-02-10
Last modified: 2026-06-17

Description

A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLE_SOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity.

Frequently asked questions

What is CVE-2025-0031?: A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLE_SOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity.
How severe is CVE-2025-0031?: CVE-2025-0031 has a CVSS 4.0 base score of 4.6, rated medium severity.
Is CVE-2025-0031 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-0031?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-0031 have an EU (EUVD) identifier?: Yes. CVE-2025-0031 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207446.
When was CVE-2025-0031 published?: CVE-2025-0031 was published on 2026-02-10 and last updated on 2026-06-17.

References

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

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