Amd Epyc 7002 Firmware vulnerabilities

CVE-2021-26356 [HIGH] CWE-367 CVE-2021-26356: A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to m 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.

CVE-2021-26354 [MEDIUM] CWE-120 CVE-2021-26354: Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised 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 [MEDIUM] CVE-2021-26371: A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may 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-2023-20531 [HIGH] CWE-119 CVE-2023-20531: Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resulting in a denial of service.

CVE-2023-20529 [HIGH] CWE-119 CVE-2023-20529: Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of service.

CVE-2021-26398 [HIGH] CWE-787 CVE-2021-26398: Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.

CVE-2021-26402 [HIGH] CWE-787 CVE-2021-26402: Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox comm Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.

CVE-2021-26316 [HIGH] CWE-20 CVE-2021-26316: Failure to validate the communication buffer and communication service in the BIOS may allow an atta 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-2021-26403 [MEDIUM] CWE-345 CVE-2021-26403: Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potential Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.

CVE-2023-20525 [MEDIUM] CWE-20 CVE-2023-20525: Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.

CVE-2023-20532 [MEDIUM] CWE-20 CVE-2023-20532: Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potenti Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.

CVE-2023-20523 [MEDIUM] CWE-367 CVE-2023-20523: TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leadi TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service.

CVE-2023-20527 [MEDIUM] CWE-20 CVE-2023-20527: Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memo Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service.

CVE-2023-20528 [LOW] CWE-20 CVE-2023-20528: Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory cont Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of confidentiality.

CVE-2021-26347 [MEDIUM] CWE-1284 CVE-2021-26347: Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attack 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-2021-26408 [HIGH] CVE-2021-26408: Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy gu Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.

CVE-2021-26370 [HIGH] CWE-20 CVE-2021-26370: Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_A Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.

CVE-2021-26335 [HIGH] CVE-2021-26335: Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may all Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting in arbitrary code execution.

CVE-2021-26331 [HIGH] CWE-20 CVE-2021-26331: AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to ma AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution.

CVE-2020-12961 [HIGH] CWE-20 CVE-2020-12961: A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM protections.