CVE-2025-48514 | BDVDB-2026-314644 Detail

AMDAMD EPYC™ 9004 Series Processors

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.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-1220 Insufficient Granularity of Access Control

References#

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

Exploit#

No public exploit known

History#

Version 12026-02-10Record published in the CVE List.
Version 22026-02-11Most recent update recorded in the CVE List.

Published

Published: 2026-02-10
Last modified: 2026-02-11

Vendor information

Vendor: AMD
Product: AMD EPYC™ 9004 Series Processors

All AMD vulnerabilities

Score

4.0 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 5.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Not stated
Fixed
Genoa++_1.0.0.H

Scoring System

CVSS v4.0

4.0 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	High
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).