CVE-2025-48514
No fix known EPSS <1%CVSS 4.0
Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality.
Products: AMD EPYC™ 9004 Series Processors, AMD EPYC™ 7003 Series Processors, AMD EPYC™ 9005 Series Processors, AMD EPYC™ 8004 Series Processors, AMD EPYC™ Embedded 7003 Series Processors, AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa"), AMD EPYC™ Embedded 9005 Series Processors, AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo"), AMD EPYC™ Embedded 8004 Series Processors
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | amd64-microcode | no fix |
| Debian 13 | amd64-microcode | no fix |
| Debian 14 | amd64-microcode | no fix |
| Ubuntu 14.04 LTS | amd64-microcode | no fix |
| Ubuntu 20.04 LTS | amd64-microcode | no fix |
| Ubuntu 22.04 LTS | amd64-microcode | no fix |
| Ubuntu 24.04 LTS | amd64-microcode | no fix |
| Ubuntu 25.10 | amd64-microcode | no fix |
| Ubuntu 26.04 LTS | amd64-microcode | no fix |
| Ubuntu 26.10 | amd64-microcode | no fix |
| Ubuntu Pro 16.04 LTS | amd64-microcode | no fix |
| Ubuntu Pro 18.04 LTS | amd64-microcode | no fix |