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    CVE-2018-8934

    The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW.

    Published:Mar 22, 2018
    Last Modified:Nov 21, 2024
    EPS:Mar 22, 2018
    EPSS Score:0.00604
    CVSS Score:9

    Affected Products

    Vendor
    Amd
    Product
    Ryzen
    Vendor
    Amd
    Product
    Ryzen Firmware
    Vendor
    Amd
    Product
    Ryzen Pro
    Vendor
    Amd
    Product
    Ryzen Pro Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2024-21970 (CVSS 4.4) — Improper validation of an array index in the AND power Management Firmware could allow a privileged attacker t…
    CVE-2024-21947 (CVSS 7.5) — Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite a…
    CVE-2023-31325 (CVSS 7.2) — Improper isolation of shared resources on System-on-a-chip (SOC) could a privileged attacker to tamper with th…
    CVE-2024-21981 (CVSS 5.7) — Improper key usage control in AMD Secure Processor (ASP) may allow an attacker with local access who has gaine…
    CVE-2023-20564 (CVSS 6.7) — Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permi…
    CVE-2021-26318 (CVSS 4.7) — A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could p…
    CVE-2018-8935 (CVSS 9) — The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High