Epyc 7773x Firmware (Amd) - vulnerabilities (CVEs)

71 CVEs, 0 in the last 30 days, 14 known versions, newest CVE from 2024-08-13. Vendor: Amd.

CVEs of Epyc 7773x Firmware

CVE-2023-20578 - CVSS 7.5 (high), 2024-08-13: 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…
CVE-2023-20591 - CVSS 10 (critical), 2024-08-13: Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify…
CVE-2023-20584 - CVSS 6 (medium), 2024-08-13: IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a…
CVE-2021-26344 - CVSS 8.2 (high), 2024-08-13: An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS…
CVE-2024-21978 - CVSS 7.9 (high), 2024-08-05: Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data…
CVE-2024-21980 - CVSS 7.9 (high), 2024-08-05: Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in…
CVE-2023-31355 - CVSS 6 (medium), 2024-08-05: Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of…
CVE-2023-31346 - CVSS 6 (medium), 2024-02-13: Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
CVE-2023-31347 - CVSS 4.9 (medium), 2024-02-13: 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 Secure TSC is…
CVE-2023-20573 - CVSS 3.2 (low), 2024-01-11: A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.
CVE-2023-20592 - CVSS 6.5 (medium), 2023-11-14: 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…
CVE-2023-20566 - CVSS 7.5 (high), 2023-11-14: Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.
CVE-2023-20533 - CVSS 7.5 (high), 2023-11-14: Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially…
CVE-2023-20526 - CVSS 4.6 (medium), 2023-11-14: Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially…
CVE-2023-20521 - CVSS 5.7 (medium), 2023-11-14: TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading…
CVE-2022-23830 - CVSS 5.3 (medium), 2023-11-14: SMM configuration may not be immutable, as intended, when SNP is enabled resulting in a potential limited loss of guest memory integrity.
CVE-2021-46774 - CVSS 7.5 (high), 2023-11-14: Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially…
CVE-2021-26345 - CVSS 4.9 (medium), 2023-11-14: 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…
CVE-2023-20594 - CVSS 4.4 (medium), 2023-09-20: Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.
CVE-2023-20569 - CVSS 4.7 (medium), 2023-08-08: A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative…
CVE-2023-20575 - CVSS 6.5 (medium), 2023-07-11: A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a…
CVE-2021-46756 - CVSS 9.1 (critical), 2023-05-09: Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to…
CVE-2021-46764 - CVSS 7.5 (high), 2023-05-09: 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…
CVE-2022-23818 - CVSS 7.5 (high), 2023-05-09: Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest memory integrity.
CVE-2021-46763 - CVSS 7.5 (high), 2023-05-09: Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to…
CVE-2021-46775 - CVSS 6.8 (medium), 2023-05-09: Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of…
CVE-2023-20524 - CVSS 7.5 (high), 2023-05-09: An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potentially leading…
CVE-2021-46762 - CVSS 9.1 (critical), 2023-05-09: Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of service.
CVE-2021-46769 - CVSS 8.8 (high), 2023-05-09: Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution.
CVE-2023-20520 - CVSS 9.8 (critical), 2023-05-09: Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially…
CVE-2021-26354 - CVSS 5.5 (medium), 2023-05-09: 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…
CVE-2021-26379 - CVSS 9.8 (critical), 2023-05-09: Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of integrity…
CVE-2021-26371 - CVSS 5.5 (medium), 2023-05-09: 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…
CVE-2021-26356 - CVSS 7.4 (high), 2023-05-09: 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…
CVE-2021-26397 - CVSS 7.1 (high), 2023-05-09: Insufficient address validation, may allow an attacker with a compromised ABL and UApp to corrupt sensitive memory locations potentially resulting in a loss…
CVE-2023-20532 - CVSS 5.3 (medium), 2023-01-11: Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.
CVE-2023-20531 - CVSS 7.5 (high), 2023-01-11: 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…
CVE-2023-20527 - CVSS 6.5 (medium), 2023-01-11: Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a…
CVE-2023-20530 - CVSS 7.5 (high), 2023-01-11: 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-2023-20525 - CVSS 6.5 (medium), 2023-01-11: Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially…
CVE-2023-20529 - CVSS 7.5 (high), 2023-01-11: 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-2023-20523 - CVSS 5.7 (medium), 2023-01-11: 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-2023-20528 - CVSS 2.4 (low), 2023-01-11: 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…
CVE-2021-26404 - CVSS 5.5 (medium), 2023-01-11: Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.
CVE-2021-26355 - CVSS 5.5 (medium), 2023-01-11: Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential…
CVE-2021-26402 - CVSS 7.1 (high), 2023-01-11: Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled…
CVE-2021-26398 - CVSS 7.8 (high), 2023-01-11: 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…
CVE-2021-26396 - CVSS 4.4 (medium), 2023-01-11: 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-2021-26316 - CVSS 7.8 (high), 2023-01-11: 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…
CVE-2021-26343 - CVSS 5.5 (medium), 2023-01-11: Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may…
CVE-2021-26328 - CVSS 4.4 (medium), 2023-01-11: 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-2022-23824 - CVSS 5.5 (medium), 2022-11-09: IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
CVE-2021-46778 - CVSS 5.6 (medium), 2022-08-10: Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” and “Zen 3” that…
CVE-2021-26364 - CVSS 5.5 (medium), 2022-05-11: 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…
CVE-2021-26375 - CVSS 5.5 (medium), 2022-05-11: Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in access/updates from/to invalid address space that could…
CVE-2021-26388 - CVSS 5.5 (medium), 2022-05-11: 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,…
CVE-2021-26347 - CVSS 4.7 (medium), 2022-05-11: 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…
CVE-2021-26350 - CVSS 4.7 (medium), 2022-05-11: 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…
CVE-2021-26373 - CVSS 5.5 (medium), 2022-05-11: 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…
CVE-2021-26378 - CVSS 5.5 (medium), 2022-05-11: 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-2021-26342 - CVSS 3.3 (low), 2022-05-11: In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer (TLB) following a particular sequence of operations that includes creation of a…
CVE-2021-26349 - CVSS 5.5 (medium), 2022-05-11: 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 dishonest Migration Agent…
CVE-2021-26372 - CVSS 5.5 (medium), 2022-05-11: 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…
CVE-2021-26376 - CVSS 5.5 (medium), 2022-05-11: Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features potentially resulting in denial of resources and/or denial…
CVE-2021-26339 - CVSS 5.5 (medium), 2022-05-11: 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 resulting in a potential…
CVE-2021-26348 - CVSS 5.5 (medium), 2022-05-11: 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 it should not be…
CVE-2021-46771 - CVSS 7.8 (high), 2022-05-10: Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by a compromised user…
CVE-2021-26332 - CVSS 7.1 (high), 2022-05-10: 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-2021-26370 - CVSS 7.1 (high), 2022-05-10: 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…
CVE-2021-26353 - CVSS 7.8 (high), 2022-05-10: 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…
CVE-2021-26324 - CVSS 7.8 (high), 2022-05-10: A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs.