CVE-2025-0031

amd64-microcode: A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLE_S...

CVE-2025-0031 is fixed in amd64-microcode on 1 platform by DEBIAN-CVE-2025-0031 (version 3.20260923.1), released February 10, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0013

2nd percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
amd64-microcode · Debian 14	3.20260923.1	DEBIAN-CVE-2025-0031	Feb 10, 2026

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