SEV-SNP RMP Initialization Vulnerability

Summary Researchers from ETHz reported that a malicious hypervisor could corrupt the Reverse Map Table RMP during Secure Nested Paging SNP initialization. AMD reproduced the issue and determined it is due to a race condition that can occur while the AMD Secure Processor ASP is initializing the RM...

EUVD-2021-13146

Malware in sbrugna...

EUVD-2023-35666

Malicious code in bioql PyPI...

EUVD-2023-35662

Malicious code in bioql PyPI...

EUVD-2023-24698

Malicious code in bioql PyPI...

EUVD-2024-19586

Malicious code in bioql PyPI...

EUVD-2021-33400

Malicious code in bioql PyPI...

CVE-2023-31351

Improper restriction of operations in the IOMMU could allow a malicious hypervisor to access guest private memory resulting in loss of integrity...

CVE-2024-21980

A flaw was found in SNP firmware. This vulnerability allows a malicious hypervisor to overwrite a guest's memory or UMC seed, resulting in loss of confidentiality and integrity via improper restriction of write operations. Mitigation Available mitigation requires to update BIOS for updating...

SUSE 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...

Performance Counter Side Channel

Bulletin ID: AMD-SB-3013 Potential Impact: N/A Severity: N/A Summary Researchers from Graz University of Technology, Austria, have reported a way for a malicious hypervisor to monitor performance counters and potentially recover data from a guest VM...

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...

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...

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...

CVE-2023-31355: Improper Restriction of Operations within the Bounds of a Memory Buffer

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...

CVE-2024-21978: Improper Input Validation

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...

AMD SEV-SNP security vulnerabilities

AMD SEV-SNP is a secure encrypted virtualization firmware from UltraMicroelectronics AMD. A single key is used to encrypt system memory. AMD SEV-SNP suffers from a security vulnerability that stems from an improper restriction on write operations causing a malicious hypervisor to overwrite the...

hw: amd: INVD instruction may lead to a loss of SEV-ES guest machine memory integrity problem

A flaw was found in some of AMD CPU's due to improper or unexpected behavior of the INVD. This issue may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU, potentially leading to a loss of guest virtual machine VM memory integrity...

hw: amd: INVD instruction may lead to a loss of SEV-ES guest machine memory integrity problem

A flaw was found in some of AMD CPU's due to improper or unexpected behavior of the INVD. This issue may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU, potentially leading to a loss of guest virtual machine VM memory integrity...

hw: amd: INVD instruction may lead to a loss of SEV-ES guest machine memory integrity problem

A flaw was found in some of AMD CPU's due to improper or unexpected behavior of the INVD. This issue may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU, potentially leading to a loss of guest virtual machine VM memory integrity...