CVE-2025-48514 — Insufficient Granularity of Access Control in Amd64-microcode
Severity
4.0MEDIUMNVD
EPSS
0.0%
top 95.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 10
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.
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
Affected Packages1 packages
🔴Vulnerability Details
2GHSA▶
GHSA-fjcx-f2hr-qjjr: Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially r↗2026-02-10
OSV▶
CVE-2025-48514: Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially r↗2026-02-10
📋Vendor Advisories
1Debian▶
CVE-2025-48514: amd64-microcode - Insufficient Granularity of Access Control in SEV firmware can allow a privilege...↗2025