Improper input validation in AMD 3rd Gen AMD EPYC™
Insufficient input validation in the SNP_GUEST_REQUEST command may lead to a potential data abort error and a denial of service.
14 records
Insufficient input validation in the SNP_GUEST_REQUEST command may lead to a potential data abort error and a denial of service.
AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.
Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality.
Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity.
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.
When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be execute…
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.
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.
Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP
Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.
AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss of resources.
Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.
Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.