Amd Epyc 73F3 Firmware vulnerabilities

CVE-2021-26326 [HIGH] CWE-665 CVE-2021-26326: Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity. Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.

CVE-2021-26323 [HIGH] CWE-20 CVE-2021-26323: Failure to validate SEV Commands while SNP is active may result in a potential impact to memory inte Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity.

CVE-2021-26324 [HIGH] CVE-2021-26324: A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs. A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs.

CVE-2021-26353 [HIGH] CWE-665 CVE-2021-26353: Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRT Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRTM UApp in a partially initialized state potentially resulting in loss of memory integrity.

CVE-2021-46774 [HIGH] CVE-2021-46774: Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/w 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.

CVE-2022-23818 [HIGH] CWE-20 CVE-2022-23818: Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to lo Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest memory integrity.

CVE-2023-20533 [HIGH] CVE-2023-20533: Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/w 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.

CVE-2024-21978 [HIGH] CWE-20 CVE-2024-21978: Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest m Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption.

CVE-2021-26322 [HIGH] CWE-320 CVE-2021-26322: Persistent platform private key may not be protected with a random IV leading to a potential “two ti Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.

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-2021-46764 [HIGH] CWE-787 CVE-2021-46764: Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory loc 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-2023-20530 [HIGH] CWE-20 CVE-2023-20530: Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory rea Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.

CVE-2020-12988 [HIGH] CVE-2020-12988: A potential denial of service (DoS) vulnerability exists in the integrated chipset that may allow a A potential denial of service (DoS) vulnerability exists in the integrated chipset that may allow a malicious attacker to hang the system when it is rebooted.

CVE-2023-20592 [MEDIUM] CVE-2023-20592: Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with 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.

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-2021-26402 [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-2023-20578 [MEDIUM] CWE-367 CVE-2023-20578: A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access t A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.

CVE-2020-12951 [HIGH] CWE-362 CVE-2020-12951: Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Manag Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.

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.