Total
70 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2021-26388 | 1 Amd | 213 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 210 more | 2023-08-08 | 4.9 MEDIUM | 5.5 MEDIUM |
| Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM, exposing out of bounds memory contents, resulting in a potential denial of service. | |||||
| CVE-2021-46744 | 1 Amd | 198 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 195 more | 2023-08-08 | 2.1 LOW | 6.5 MEDIUM |
| An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time. | |||||
| CVE-2021-26316 | 1 Amd | 294 Athlon 3050ge, Athlon 3050ge Firmware, Athlon 3150g and 291 more | 2023-08-08 | N/A | 7.8 HIGH |
| Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution. | |||||
| CVE-2021-26341 | 1 Amd | 252 A10-9600p, A10-9600p Firmware, A10-9630p and 249 more | 2023-08-08 | 2.1 LOW | 6.5 MEDIUM |
| Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage. | |||||
| CVE-2021-26373 | 1 Amd | 175 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 172 more | 2023-08-08 | 4.9 MEDIUM | 5.5 MEDIUM |
| Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunction that could result in denial of resources and/or possibly denial of service. | |||||
| CVE-2021-26376 | 1 Amd | 167 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 164 more | 2023-08-08 | 4.9 MEDIUM | 5.5 MEDIUM |
| Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features potentially resulting in denial of resources and/or denial of service. | |||||
| CVE-2021-26347 | 1 Amd | 98 Epyc 7002, Epyc 7002 Firmware, Epyc 7232p and 95 more | 2023-08-08 | 4.7 MEDIUM | 4.7 MEDIUM |
| Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service. | |||||
| CVE-2023-20575 | 1 Amd | 176 Epyc 5552, Epyc 5552 Firmware, Epyc 7232p and 173 more | 2023-07-19 | N/A | 6.5 MEDIUM |
| 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. | |||||
| CVE-2021-26354 | 1 Amd | 304 Amd 3015ce, Amd 3015ce Firmware, Amd 3015e and 301 more | 2023-05-25 | N/A | 5.5 MEDIUM |
| Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity. | |||||
| CVE-2021-26371 | 1 Amd | 256 Amd 3015ce, Amd 3015ce Firmware, Amd 3015e and 253 more | 2023-05-25 | N/A | 5.5 MEDIUM |
| 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. | |||||
| CVE-2021-26379 | 1 Amd | 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more | 2023-05-22 | N/A | 9.8 CRITICAL |
| 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. | |||||
| CVE-2021-26406 | 1 Amd | 80 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 77 more | 2023-05-22 | N/A | 7.5 HIGH |
| 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. | |||||
| CVE-2021-46763 | 1 Amd | 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more | 2023-05-22 | N/A | 7.5 HIGH |
| 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. | |||||
| CVE-2021-46764 | 1 Amd | 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more | 2023-05-22 | N/A | 7.5 HIGH |
| 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. | |||||
| CVE-2021-46769 | 1 Amd | 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more | 2023-05-22 | N/A | 8.8 HIGH |
| Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution. | |||||
| CVE-2021-46775 | 1 Amd | 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more | 2023-05-22 | N/A | 6.8 MEDIUM |
| 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. | |||||
| CVE-2023-20520 | 1 Amd | 126 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 123 more | 2023-05-22 | N/A | 9.8 CRITICAL |
| 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. | |||||
| CVE-2023-20524 | 1 Amd | 96 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 93 more | 2023-05-22 | N/A | 7.5 HIGH |
| 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. | |||||
| CVE-2021-46756 | 1 Amd | 126 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 123 more | 2023-05-22 | N/A | 9.1 CRITICAL |
| 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. | |||||
| CVE-2021-26356 | 1 Amd | 196 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 193 more | 2023-05-16 | N/A | 7.4 HIGH |
| A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure. | |||||