Astra Linux – Vulnerability in amd64-microcode

IOMMU improperly handles certain special address ranges with invalid device table entries DTEs. This may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially resulting in a loss of guest integrity...

SUSE CVE-2025-61971

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

CVE-2025-61971

A flaw was found in the microcode that manages NBIO registers. A local attacker with administrative privileges could exploit a missing security control, allowing them to alter critical system configurations. This could compromise the integrity of virtual machines protected by Secure Encrypted...

CVE-2025-61971

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

CVE-2025-61971

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

CVE-2025-61971

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity...

Linux Distros Unpatched Vulnerability : CVE-2023-20585

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

SUSE CVE-2023-20585

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...

EUVD-2025-209510

A missing lock verification in AMD Secure Processor ASP firmware may permit a locally authenticated attacker with administrative privileges to alter MMIO routing on some Zen 5-based products, potentially compromising guest system integrity...

CVE-2023-20585

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...

CVE-2025-54510

A missing lock verification in AMD Secure Processor ASP firmware may permit a locally authenticated attacker with administrative privileges to alter MMIO routing on some Zen 5-based products, potentially compromising guest system integrity...

CVE-2023-20585

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...

CVE-2023-20585

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...

CVE-2023-20585

CVE-2023-20585 : Insufficient checks of the RMP on host buffer access in IOMMU may allow a privileged attacker with a compromised hypervisor to trigger an out-of-bounds condition, risking confidentiality of guest memory and integrity. The vulnerability is associated with AMD IOMMU (RMP) handling....

IOMMU Write Buffer Vulnerability

CVE Details Refer to Glossary for explanation of terms CVE| CVE Description| CVSS Score ---|---|--- CVE-2023-20585| 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...

HPESBHF05040 rev.1 - Certain HPE SimpliVity Servers Using Certain AMD EPYC Processors, AMD-SB-3016: IOMMU Write Buffer Vulnerability, Loss of Confidential Guest Integrity Vulnerability

Potential Security Impact: Local: Buffer Overflow SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE SimpliVity 325 Gen11 - Prior to SimpliVity Gen11 Support Pack v20260116 CVSS Scores: | CVE | CVSS Vector | Base Score | | --- | --- | --- | | CVE-2025-20585 |...

HPESBHF05036 rev.1 - Certain HPE ProLiant AMD DL/XL Servers Using Certain AMD EPYC Processors, AMD-SB-3016: IOMMU Write Buffer Vulnerability, Loss of Confidential Guest Integrity Vulnerability

Potential Security Impact: Local: Buffer Overflow SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE ProLiant DL145 Gen11 - Prior to 1.7008-07-2025 HPE ProLiant DL325 Gen11 Server - Prior to 2.7008-07-2025 HPE ProLiant DL345 Gen11 Server - Prior to 2.7008-07-2025 HPE ProLiant DL3...

CVE-2025-48509

Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a loss of guest memory integrity...

CVE-2024-21953

Improper input validation in IOMMU could allow a malicious hypervisor to reconfigure IOMMU registers resulting in loss of guest data integrity...

CVE-2024-21953

CVE-2024-21953 describes improper input validation in the IOMMU that could let a malicious hypervisor reconfigure IOMMU registers, potentially causing loss of guest data integrity. The vulnerability is reported with local attack vector and high privileges required (CVSS 4.0, base score 5.9). Conn...