Epyc 7643 Firmware
by AMD
CVEs (56)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2020-12946 | Hig | 0.46 | 7.1 | 0.00 | Nov 16, 2021 | Insufficient input validation in ASP firmware for discrete TPM commands could allow a potential loss of integrity and denial of service. | ||
| CVE-2021-46774 | Med | 0.44 | 6.7 | 0.01 | Nov 14, 2023 | 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-2021-46775 | Med | 0.44 | 6.8 | 0.00 | May 9, 2023 | Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution. | ||
| CVE-2023-20591 | Med | 0.42 | 6.5 | 0.00 | Aug 13, 2024 | Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability. | ||
| CVE-2023-20592 | Med | 0.42 | 6.5 | 0.01 | Nov 14, 2023 | 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-2023-20575 | Med | 0.42 | 6.5 | 0.01 | Jul 11, 2023 | A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information. | ||
| CVE-2021-46744 | Med | 0.42 | 6.5 | 0.00 | May 11, 2022 | 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 values over time. | ||
| CVE-2023-20533 | Med | 0.40 | 6.1 | 0.01 | Nov 14, 2023 | 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 | Med | 0.39 | 6.0 | 0.00 | Aug 5, 2024 | 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-2023-31355 | Med | 0.39 | 6.0 | 0.00 | Aug 5, 2024 | Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest. | ||
| CVE-2023-31346 | Med | 0.39 | 6.0 | 0.00 | Feb 13, 2024 | Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests. | ||
| CVE-2023-20523 | Med | 0.37 | 5.7 | 0.00 | Jan 11, 2023 | 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-2021-26404 | Med | 0.36 | 5.5 | 0.00 | Jan 11, 2023 | Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure. | ||
| CVE-2022-23824 | Med | 0.36 | 5.5 | 0.01 | Nov 9, 2022 | IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure. | ||
| CVE-2021-26372 | Med | 0.36 | 5.5 | 0.00 | May 11, 2022 | 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-2021-26348 | Med | 0.36 | 5.5 | 0.00 | May 11, 2022 | 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 able to access, resulting in a potential loss of integrity. | ||
| CVE-2021-26339 | Med | 0.36 | 5.5 | 0.00 | May 11, 2022 | 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 denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated… | ||
| CVE-2021-26337 | Med | 0.36 | 5.5 | 0.00 | Nov 16, 2021 | Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests. | ||
| CVE-2021-26336 | Med | 0.36 | 5.5 | 0.00 | Nov 16, 2021 | 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-2021-26330 | Med | 0.36 | 5.5 | 0.00 | Nov 16, 2021 | AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources. |
- risk 0.46cvss 7.1epss 0.00
Insufficient input validation in ASP firmware for discrete TPM commands could allow a potential loss of integrity and denial of service.
- risk 0.44cvss 6.7epss 0.01
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.
- risk 0.44cvss 6.8epss 0.00
Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution.
- risk 0.42cvss 6.5epss 0.00
Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.
- risk 0.42cvss 6.5epss 0.01
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.
- risk 0.42cvss 6.5epss 0.01
A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.
- risk 0.42cvss 6.5epss 0.00
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 values over time.
- risk 0.40cvss 6.1epss 0.01
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.
- risk 0.39cvss 6.0epss 0.00
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.
- risk 0.39cvss 6.0epss 0.00
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.
- risk 0.39cvss 6.0epss 0.00
Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
- risk 0.37cvss 5.7epss 0.00
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.
- risk 0.36cvss 5.5epss 0.00
Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.
- risk 0.36cvss 5.5epss 0.01
IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
- risk 0.36cvss 5.5epss 0.00
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.
- risk 0.36cvss 5.5epss 0.00
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 able to access, resulting in a potential loss of integrity.
- risk 0.36cvss 5.5epss 0.00
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 denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated…
- risk 0.36cvss 5.5epss 0.00
Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.
- risk 0.36cvss 5.5epss 0.00
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.
- risk 0.36cvss 5.5epss 0.00
AMD System Management Unit (SMU) may experience a heap-based overflow which may result in a loss of resources.
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