Epyc 7001 Firmware
by AMD
CVEs (26)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2021-26340 | Hig | 0.55 | 8.4 | 0.00 | Dec 10, 2021 | A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM). | ||
| CVE-2021-26398 | Hig | 0.51 | 7.8 | 0.00 | Jan 11, 2023 | 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 Processor) OS memory which may lead to potential arbitrary code execution. | ||
| CVE-2021-26335 | Hig | 0.51 | 7.8 | 0.00 | Nov 16, 2021 | Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting in arbitrary code execution. | ||
| CVE-2021-26331 | Hig | 0.51 | 7.8 | 0.00 | Nov 16, 2021 | AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution. | ||
| CVE-2023-20578 | Hig | 0.49 | 7.5 | 0.00 | Aug 13, 2024 | 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-2020-12988 | Hig | 0.49 | 7.5 | 0.01 | Jun 11, 2021 | 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-2021-26356 | Hig | 0.48 | 7.4 | 0.00 | May 9, 2023 | 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 information disclosure. | ||
| CVE-2021-26344 | Hig | 0.47 | 7.2 | 0.00 | Aug 13, 2024 | 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 image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution. | ||
| CVE-2021-26408 | Hig | 0.46 | 7.1 | 0.00 | May 10, 2022 | Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality. | ||
| CVE-2020-12951 | Hig | 0.46 | 7.0 | 0.00 | Nov 16, 2021 | Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations. | ||
| 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-2022-29900 | Med | 0.43 | 6.5 | 0.04 | Jul 12, 2022 | Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions. | ||
| 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-2023-20527 | Med | 0.42 | 6.5 | 0.01 | Jan 11, 2023 | Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service. | ||
| CVE-2022-23825 | Med | 0.42 | 6.5 | 0.01 | Jul 14, 2022 | Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure. | ||
| CVE-2022-23823 | Med | 0.42 | 6.5 | 0.01 | Jun 15, 2022 | A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure. | ||
| 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-2021-26371 | Med | 0.36 | 5.5 | 0.00 | May 9, 2023 | 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 leading to 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-2021-46778 | Med | 0.36 | 5.6 | 0.00 | Aug 10, 2022 | 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 use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may… |
- risk 0.55cvss 8.4epss 0.00
A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM).
- risk 0.51cvss 7.8epss 0.00
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 Processor) OS memory which may lead to potential arbitrary code execution.
- risk 0.51cvss 7.8epss 0.00
Improper input and range checking in the AMD Secure Processor (ASP) boot loader image header may allow an attacker to use attacker-controlled values prior to signature validation potentially resulting in arbitrary code execution.
- risk 0.51cvss 7.8epss 0.00
AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution.
- risk 0.49cvss 7.5epss 0.00
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.
- risk 0.49cvss 7.5epss 0.01
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.
- risk 0.48cvss 7.4epss 0.00
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 information disclosure.
- risk 0.47cvss 7.2epss 0.00
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 image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
- risk 0.46cvss 7.1epss 0.00
Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.
- risk 0.46cvss 7.0epss 0.00
Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.
- 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 0.43cvss 6.5epss 0.04
Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.
- 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
Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service.
- risk 0.42cvss 6.5epss 0.01
Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.
- risk 0.42cvss 6.5epss 0.01
A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure.
- 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 0.36cvss 5.5epss 0.00
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 leading to 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 5.6epss 0.00
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 use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may…
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