CVE-2025-48517 Affecting amd64-microcode package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIAN14-AMD64MICROCODE-15255827
- published11 Feb 2026
- disclosed10 Feb 2026
Introduced: 10 Feb 2026
CVE-2025-48517 (opens in a new tab)How to fix?
There is no fixed version for Debian:14 amd64-microcode.
NVD Description
Note: Versions mentioned in the description apply only to the upstream amd64-microcode package and not the amd64-microcode package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
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.