Amd Epyc 7443 Firmware — known CVE vulnerabilities

Every CVE whose affected-product data names Amd Epyc 7443 Firmware, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (88)

• CVE-2021-26379 — CVSS 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…
• CVE-2023-20520 — CVSS 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…
• CVE-2021-46756 — CVSS 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…
• CVE-2021-46769 — CVSS 8.8 (high): Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead…
• CVE-2021-26340 — CVSS 8.4 (high): A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation…
• CVE-2024-21980 — CVSS 7.9 (high): Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or…
• CVE-2021-26315 — CVSS 7.8 (high): When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to…
• CVE-2020-12961 — CVSS 7.8 (high): A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the…
• CVE-2021-26398 — CVSS 7.8 (high): Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP…
• CVE-2021-26323 — CVSS 7.8 (high): Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity.
• CVE-2021-26324 — CVSS 7.8 (high): A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs.
• CVE-2021-26326 — CVSS 7.8 (high): Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.
• CVE-2021-26316 — CVSS 7.8 (high): Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer…
• CVE-2021-26353 — CVSS 7.8 (high): Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRTM UApp in a partially initialized state…
• CVE-2020-12944 — CVSS 7.8 (high): Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.
• CVE-2021-26331 — CVSS 7.8 (high): AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to…
• CVE-2021-26335 — CVSS 7.8 (high): Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use…
• CVE-2021-46771 — CVSS 7.8 (high): Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by…
• CVE-2023-20524 — CVSS 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…
• CVE-2023-20578 — CVSS 7.5 (high): 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…
• CVE-2020-12988 — CVSS 7.5 (high): A potential denial of service (DoS) vulnerability exists in the integrated chipset that may allow a malicious attacker to hang the system…
• CVE-2023-20531 — CVSS 7.5 (high): Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially…
• CVE-2023-20530 — CVSS 7.5 (high): Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of…
• CVE-2023-20529 — CVSS 7.5 (high): Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in…
• CVE-2021-26322 — CVSS 7.5 (high): Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.
• CVE-2022-23818 — CVSS 7.5 (high): Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest memory integrity.
• CVE-2021-26338 — CVSS 7.5 (high): Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM…
• CVE-2021-46764 — CVSS 7.5 (high): Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory locations within the ASP potentially…
• CVE-2021-46763 — CVSS 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…
• CVE-2021-26356 — CVSS 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…
• CVE-2021-26344 — CVSS 7.2 (high): An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to…
• CVE-2021-26370 — CVSS 7.1 (high): 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…
• CVE-2020-12946 — CVSS 7.1 (high): Insufficient input validation in ASP firmware for discrete TPM commands could allow a potential loss of integrity and denial of service.
• CVE-2021-26332 — CVSS 7.1 (high): Failure to verify SEV-ES TMR is not in MMIO space, SEV-ES FW could result in a potential loss of integrity or availability.
• CVE-2021-26402 — CVSS 7.1 (high): Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write…
• CVE-2021-26397 — CVSS 7.1 (high): Insufficient address validation, may allow an attacker with a compromised ABL and UApp to corrupt sensitive memory locations potentially…
• CVE-2020-12951 — CVSS 7.0 (high): Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.
• CVE-2021-46775 — CVSS 6.8 (medium): Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading…
• CVE-2021-46774 — CVSS 6.7 (medium): Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address…
• CVE-2021-46744 — CVSS 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…
• CVE-2023-20592 — CVSS 6.5 (medium): Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache…
• CVE-2023-20575 — CVSS 6.5 (medium): A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting…
• CVE-2023-20591 — CVSS 6.5 (medium): Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker…
• CVE-2023-20527 — CVSS 6.5 (medium): Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading…
• CVE-2023-20525 — CVSS 6.5 (medium): Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped…
• CVE-2023-20533 — CVSS 6.1 (medium): Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address…
• CVE-2023-31355 — CVSS 6.0 (medium): Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially…
• CVE-2023-31346 — CVSS 6.0 (medium): Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
• CVE-2024-21978 — CVSS 6.0 (medium): Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data…
• CVE-2023-20523 — CVSS 5.7 (medium): 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…
• CVE-2021-46778 — CVSS 5.6 (medium): Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”…
• CVE-2022-23824 — CVSS 5.5 (medium): IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information…
• CVE-2021-26327 — CVSS 5.5 (medium): Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality.
• CVE-2021-26325 — CVSS 5.5 (medium): Insufficient input validation in the SNP_GUEST_REQUEST command may lead to a potential data abort error and a denial of service.
• CVE-2020-12954 — CVSS 5.5 (medium): A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized…
• CVE-2021-26354 — CVSS 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…
• CVE-2021-26371 — CVSS 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…
• CVE-2021-26349 — CVSS 5.5 (medium): Failure to assign a new report ID to an imported guest may potentially result in an SEV-SNP guest VM being tricked into trusting a…
• CVE-2021-26348 — CVSS 5.5 (medium): Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory…
• CVE-2021-26404 — CVSS 5.5 (medium): Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.
• CVE-2021-26343 — CVSS 5.5 (medium): Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive…
• CVE-2021-26339 — CVSS 5.5 (medium): A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang…
• CVE-2021-26337 — CVSS 5.5 (medium): Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting…
• CVE-2021-26336 — CVSS 5.5 (medium): Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and…
• CVE-2021-26330 — CVSS 5.5 (medium): AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.
• CVE-2021-26329 — CVSS 5.5 (medium): AMD System Management Unit (SMU) may experience an integer overflow when an invalid length is provided which may result in a potential loss…
• CVE-2021-26321 — CVSS 5.5 (medium): Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
• CVE-2021-26320 — CVSS 5.5 (medium): Insufficient validation of the AMD SEV Signing Key (ASK) in the SEND_START command in the SEV Firmware may allow a local authenticated…
• CVE-2021-26312 — CVSS 5.5 (medium): Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory…
• CVE-2020-12966 — CVSS 5.5 (medium): AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State (SEV-ES)…
• CVE-2021-26355 — CVSS 5.5 (medium): Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in…
• CVE-2023-20566 — CVSS 5.3 (medium): Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.
• CVE-2023-20532 — CVSS 5.3 (medium): Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.
• CVE-2023-20584 — CVSS 5.3 (medium): IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with…
• CVE-2023-31347 — CVSS 4.9 (medium): Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when…
• CVE-2023-20569 — CVSS 4.7 (medium): A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in…
• CVE-2021-26347 — CVSS 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…
• CVE-2021-26328 — CVSS 4.4 (medium): Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.
• CVE-2021-26396 — CVSS 4.4 (medium): Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.
• CVE-2023-20594 — CVSS 4.4 (medium): Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.
• CVE-2021-46762 — CVSS 3.9 (low): Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of…
• CVE-2021-26342 — CVSS 3.3 (low): In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer (TLB) following a particular sequence of operations that…
• CVE-2023-20521 — CVSS 3.3 (low): TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification…
• CVE-2023-20573 — CVSS 3.2 (low): A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected…
• CVE-2023-20528 — CVSS 2.4 (low): Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially…
• CVE-2023-20526 — CVSS 1.9 (low): Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP…
• CVE-2022-23830 — CVSS 1.9 (low): SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of guest memory integrity.
• CVE-2021-26345 — CVSS 1.9 (low): 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…