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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2023-20591 |
Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability. Published: August 13, 2024; 1:15:19 PM -0400 |
V4.0:(not available) V3.1: 10.0 CRITICAL V2.0:(not available) |
CVE-2023-20584 |
IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity. Published: August 13, 2024; 1:15:19 PM -0400 |
V4.0:(not available) V3.1: 6.0 MEDIUM V2.0:(not available) |
CVE-2024-21980 |
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity. Published: August 05, 2024; 12:15:35 PM -0400 |
V4.0:(not available) V3.1: 7.9 HIGH V2.0:(not available) |
CVE-2024-21978 |
Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption. Published: August 05, 2024; 12:15:35 PM -0400 |
V4.0:(not available) V3.1: 7.9 HIGH V2.0:(not available) |
CVE-2023-31355 |
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest. Published: August 05, 2024; 12:15:34 PM -0400 |
V4.0:(not available) V3.1: 6.0 MEDIUM V2.0:(not available) |
CVE-2023-31347 |
Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity. Published: February 13, 2024; 3:15:52 PM -0500 |
V4.0:(not available) V3.1: 4.9 MEDIUM V2.0:(not available) |
CVE-2023-31346 |
Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests. Published: February 13, 2024; 3:15:52 PM -0500 |
V4.0:(not available) V3.1: 6.0 MEDIUM V2.0:(not available) |
CVE-2023-20592 |
Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity. Published: November 14, 2023; 2:15:16 PM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-20566 |
Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity. Published: November 14, 2023; 2:15:15 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2021-46774 |
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service. Published: November 14, 2023; 2:15:10 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |