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Vuln ID | Summary | CVSS Severity |
---|---|---|
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-2023-20533 |
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; 2:15:15 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2023-20526 |
Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality. Published: November 14, 2023; 2:15:15 PM -0500 |
V4.0:(not available) V3.1: 4.6 MEDIUM V2.0:(not available) |
CVE-2023-20521 |
TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service. Published: November 14, 2023; 2:15:15 PM -0500 |
V4.0:(not available) V3.1: 5.7 MEDIUM 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) |
CVE-2021-26345 |
Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read potentially resulting in a denial of service. Published: November 14, 2023; 2:15:10 PM -0500 |
V4.0:(not available) V3.1: 4.9 MEDIUM V2.0:(not available) |
CVE-2023-20583 |
A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache line changes over time potentially resulting in a leak of sensitive information. Published: August 01, 2023; 3:15:09 PM -0400 |
V4.0:(not available) V3.1: 4.7 MEDIUM V2.0:(not available) |
CVE-2023-20593 |
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information. Published: July 24, 2023; 4:15:10 PM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0:(not available) |
CVE-2023-20575 |
A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information. Published: July 11, 2023; 3:15:09 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2021-46756 |
Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity. Published: May 09, 2023; 4:15:12 PM -0400 |
V4.0:(not available) V3.1: 9.1 CRITICAL V2.0:(not available) |
CVE-2023-20524 |
An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potentially leading to a loss a loss of integrity. Published: May 09, 2023; 3:15:11 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2023-20520 |
Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution. Published: May 09, 2023; 3:15:11 PM -0400 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0:(not available) |
CVE-2021-46775 |
Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution. Published: May 09, 2023; 3:15:11 PM -0400 |
V4.0:(not available) V3.1: 6.8 MEDIUM V2.0:(not available) |
CVE-2021-46769 |
Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution. Published: May 09, 2023; 3:15:11 PM -0400 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2021-46764 |
Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory locations within the ASP potentially resulting in a denial of service. Published: May 09, 2023; 3:15:11 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2021-46763 |
Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to a loss of integrity. Published: May 09, 2023; 3:15:11 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2021-46762 |
Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of service. Published: May 09, 2023; 3:15:11 PM -0400 |
V4.0:(not available) V3.1: 9.1 CRITICAL V2.0:(not available) |
CVE-2021-26406 |
Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service. Published: May 09, 2023; 3:15:10 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |
CVE-2021-26379 |
Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of integrity and privilege escalation. Published: May 09, 2023; 3:15:10 PM -0400 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0:(not available) |
CVE-2021-26371 |
A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure. Published: May 09, 2023; 3:15:10 PM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0:(not available) |