CVE-2025-48514 Missing authorization in AMD EPYC™ 7003 Series Processors

Medium 4.0 Published Updated

A privileged attacker can exploit insufficient access control in SEV firmware to attack SNP guests, leading to confidentiality loss.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-48514?

CVE-2025-48514 is a medium-severity missing authorization vulnerability in AMD EPYC™ 7003 Series Processors, published on 10 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-1220

Which versions are affected by CVE-2025-48514?

How do I fix CVE-2025-48514?

No fix has been published for CVE-2025-48514 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-48514 being exploited?

There is no known exploitation of CVE-2025-48514 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2025-48514, GHSA-fjcx-f2hr-qjjr, UBUNTU-CVE-2025-48514.

Is CVE-2025-48514 in your software?

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