CVE-2025-48517 Missing authorization in AMD EPYC™ 9005 Series Processors
A privileged user with a malicious hypervisor can create a SEV-ES guest with restricted ASIDs, leading to partial loss of confidentiality.
- 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-2025-48517?
CVE-2025-48517 is a medium-severity missing authorization vulnerability in AMD EPYC™ 9005 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 could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.
Weakness: CWE-1220
Which versions are affected by CVE-2025-48517?
How do I fix CVE-2025-48517?
No fix has been published for CVE-2025-48517 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-2025-48517 being exploited?
There is no known exploitation of CVE-2025-48517 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2025-48517, GHSA-jhpq-g463-wv89, UBUNTU-CVE-2025-48517.