Back to Database
Status published
Medium
CVE-2023-20585
Insufficient checks of the RMP on host buffer access in...
Vulnerability Description
Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised hypervisor to trigger an out of bounds condition without RMP checks, resulting in a potential loss of confidential guest integrity.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-20585
Credits & Attribution
No credits recorded in the NVD database.
More from AMD
View All →CVE-2025-66664
Insufficient parameter sanitization in AMD Secure Processor (ASP) TEE SOC...
Medium
4.6
CVE-2025-66660
Insufficient parameter sanitization in TEE SOC Driver could allow an...
Low
1.8
CVE-2025-62628
Unsafe OpenSSL initialization within some AMD optional tools may allow...
High
7
CVE-2025-62627
An untrusted pointer dereference in the ionic cloud driver for...
High
7.2
CVE-2025-62626
Improper handling of insufficient entropy in the AMD CPUs could...
High
7.2
Affected Vendor
Affected Software
AMD EPYC™ 7003 Series Processors, AMD EPYC™ 9004 Series Processors, AMD EPYC™ Embedded 7003 Series Processors, AMD EPYC™ Embedded 9004 Series Processors
Vulnerable Versions:
SEV FW 1.37.23, SEV FW 1.37.31, EmbMilanPI-SP3 1.0.0.B, EmbGenoaPI-1.0.0.A
Timeline
Official Publish:
April 16th, 2026
Last Modified:
April 16th, 2026
Added to House:
July 22nd, 2026