VYPR

Epyc 7501 Firmware

by AMD

CVEs (40)

  • CVE-2023-20520CriMay 9, 2023
    risk 0.64cvss 9.8epss 0.01

    Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution.

  • CVE-2021-46756CriMay 9, 2023
    risk 0.59cvss 9.1epss 0.01

    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 send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity. …

  • CVE-2021-26340HigDec 10, 2021
    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).

  • CVE-2021-26398HigJan 11, 2023
    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.

  • CVE-2021-26335HigNov 16, 2021
    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.

  • CVE-2021-26331HigNov 16, 2021
    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.

  • CVE-2020-12944HigNov 16, 2021
    risk 0.51cvss 7.8epss 0.00

    Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.

  • CVE-2023-20578HigAug 13, 2024
    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.

  • CVE-2021-26406HigMay 9, 2023
    risk 0.49cvss 7.5epss 0.00

    Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service.

  • CVE-2021-26322HigNov 16, 2021
    risk 0.49cvss 7.5epss 0.01

    Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.

  • CVE-2020-12988HigJun 11, 2021
    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.

  • CVE-2021-26356HigMay 9, 2023
    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.

  • CVE-2021-26344HigAug 13, 2024
    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.

  • CVE-2021-26408HigMay 10, 2022
    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.

  • CVE-2020-12951HigNov 16, 2021
    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.

  • CVE-2021-46774MedNov 14, 2023
    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.

  • CVE-2022-29900MedJul 12, 2022
    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.

  • CVE-2023-20592MedNov 14, 2023
    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.

  • CVE-2023-20575MedJul 11, 2023
    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.

  • CVE-2023-20527MedJan 11, 2023
    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.

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