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

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....

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...

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...

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 |...

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...