CVE-2023-20582 | BDVDB-2026-265803 Detail

AMDAMD EPYC™ 9004 Processors

Description#

Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact none. Attack vector: local.

Weaknesses#

CWE-1284 Improper Validation of Specified Quantity in Input

References#

Exploit#

No public exploit known

History#

Version 12025-02-11Record published in the CVE List.
Version 22025-02-12Most recent update recorded in the CVE List.

Published

Published: 2025-02-11
Last modified: 2025-02-12

Vendor information

Vendor: AMD
Product: AMD EPYC™ 9004 Processors

All AMD vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 6.7.

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
GenoaPI 1.0.0.C
Vulnerable
Not stated
Fixed
SEV FW1.55.36

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.3 Medium

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Metric breakdown
Attack Vector	Local
Attack Complexity	High
Privileges Required	High
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

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