Vulnerability · Published Feb 10, 2026 · Assigned by AMD

CVE-2025-48517

Medium 4.6

In plain English

A medium-severity security flaw in AMD EPYC™ 9005 Series Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)4.6Medium
Exploit odds (30 days)0.2%top 94.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12amd64-microcodeno fix listedDEBIAN-CVE-2025-48517
Debian:13amd64-microcodeno fix listedDEBIAN-CVE-2025-48517
Debian:14amd64-microcode3.20260923.1DEBIAN-CVE-2025-48517
Ubuntu:24.04:LTSamd64-microcodeno fix listedUBUNTU-CVE-2025-48517
Ubuntu:25.10amd64-microcodeno fix listedUBUNTU-CVE-2025-48517
Ubuntu:26.04:LTSamd64-microcodeno fix listedUBUNTU-CVE-2025-48517
Ubuntu:26.10amd64-microcodeno fix listedUBUNTU-CVE-2025-48517

Affected products (as reported)

VendorProductVersions
AMD AMD EPYC™ 9005 Series Processors see references
AMD AMD EPYC™ Embedded 9005 Series Processors see references

Weakness: CWE-1220 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N

References