Amd Epyc 7262 Firmware vulnerabilities

CVE-2023-20521 [MEDIUM] CWE-367 CVE-2023-20521: TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM recor 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.

CVE-2021-26388 [MEDIUM] CWE-125 CVE-2021-26388: Improper validation of the BIOS directory may allow for searches to read beyond the directory table 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-2021-26336 [MEDIUM] CWE-119 CVE-2021-26336: Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updat Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components.

CVE-2021-26364 [MEDIUM] CWE-119 CVE-2021-26364: Insufficient bounds checking in an SMU mailbox register could allow an attacker to potentially read Insufficient bounds checking in an SMU mailbox register could allow an attacker to potentially read outside of the SRAM address range which could result in an exception handling leading to a potential denial of service.

CVE-2021-26320 [MEDIUM] CWE-295 CVE-2021-26320: Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmwa 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

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-2021-26321 [MEDIUM] CWE-20 CVE-2021-26321: Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to p Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.

CVE-2021-26375 [MEDIUM] CVE-2021-26375: Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in ac Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in access/updates from/to invalid address space that could result in denial of service.

CVE-2021-26372 [MEDIUM] CWE-119 CVE-2021-26372: Insufficient bound checks related to PCIE in the System Management Unit (SMU) may result in access t Insufficient bound checks related to PCIE in the System Management Unit (SMU) may result in access to an invalid address space that could result in denial of service.

CVE-2021-26378 [MEDIUM] CWE-119 CVE-2021-26378: Insufficient bound checks in the System Management Unit (SMU) may result in access to an invalid add Insufficient bound checks in the System Management Unit (SMU) may result in access to an invalid address space that could result in denial of service.

CVE-2021-26330 [MEDIUM] CWE-122 CVE-2021-26330: AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.

CVE-2021-26345 [MEDIUM] CWE-125 CVE-2021-26345: Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token 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.

CVE-2021-26373 [MEDIUM] CWE-20 CVE-2021-26373: Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunc 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 [MEDIUM] CVE-2021-26376: Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features 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-2021-26329 [MEDIUM] CWE-130 CVE-2021-26329: AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provid 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.

CVE-2023-20526 [MEDIUM] CVE-2023-20526: Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical a 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.

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-2021-26350 [MEDIUM] CWE-367 CVE-2021-26350: A TOCTOU race condition in SMU may allow for the caller to obtain and manipulate the address of a me A TOCTOU race condition in SMU may allow for the caller to obtain and manipulate the address of a message port register which may result in a potential 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.