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    CVE-2021-46765

    Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.

    Published:May 9, 2023
    Last Modified:Jan 27, 2025
    EPS:May 9, 2023
    EPSS Score:0.00115
    CVSS Score:7.5

    Affected Products

    Vendor
    Amd
    Product
    Ryzen 3100
    Vendor
    Amd
    Product
    Ryzen 3100 Firmware
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    Amd
    Product
    Ryzen 3300x
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    Amd
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    Ryzen 3300x Firmware
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    Amd
    Product
    Ryzen 3500
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    Amd
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    Ryzen 3500 Firmware
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    Amd
    Product
    Ryzen 3500x
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    Amd
    Product
    Ryzen 3500x Firmware
    Vendor
    Amd
    Product
    Ryzen 3600
    Vendor
    Amd
    Product
    Ryzen 3600 Firmware
    Vendor
    Amd
    Product
    Ryzen 3600x
    Vendor
    Amd
    Product
    Ryzen 3600x Firmware
    Vendor
    Amd
    Product
    Ryzen 3600xt
    Vendor
    Amd
    Product
    Ryzen 3600xt Firmware
    Vendor
    Amd
    Product
    Ryzen 3800x
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    Amd
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    Ryzen 3800x Firmware
    Vendor
    Amd
    Product
    Ryzen 3800xt
    Vendor
    Amd
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    Ryzen 3800xt Firmware
    Vendor
    Amd
    Product
    Ryzen 3900
    Vendor
    Amd
    Product
    Ryzen 3900 Firmware
    Vendor
    Amd
    Product
    Ryzen 3900x
    Vendor
    Amd
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    Ryzen 3900x Firmware
    Vendor
    Amd
    Product
    Ryzen 3900xt
    Vendor
    Amd
    Product
    Ryzen 3900xt Firmware
    Vendor
    Amd
    Product
    Ryzen 3950x
    Vendor
    Amd
    Product
    Ryzen 3950x Firmware
    Vendor
    Amd
    Product
    Ryzen 5300g
    Vendor
    Amd
    Product
    Ryzen 5300g Firmware
    Vendor
    Amd
    Product
    Ryzen 5300ge
    Vendor
    Amd
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    Ryzen 5300ge Firmware
    Vendor
    Amd
    Product
    Ryzen 5500
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    Amd
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    Ryzen 5500 Firmware
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    Amd
    Product
    Ryzen 5600
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    Amd
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    Ryzen 5600 Firmware
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    Amd
    Product
    Ryzen 5600g
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    Amd
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    Ryzen 5600g Firmware
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    Amd
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    Ryzen 5600ge
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    Amd
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    Ryzen 5600ge Firmware
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    Amd
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    Ryzen 5600x
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    Amd
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    Ryzen 5600x Firmware
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    Amd
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    Ryzen 5700g
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    Amd
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    Ryzen 5700g Firmware
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    Amd
    Product
    Ryzen 5700ge
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    Amd
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    Ryzen 5700ge Firmware
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    Amd
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    Ryzen 5700x
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    Amd
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    Ryzen 5700x Firmware
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    Amd
    Product
    Ryzen 5800
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    Amd
    Product
    Ryzen 5800 Firmware
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    Amd
    Product
    Ryzen 5800x
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    Amd
    Product
    Ryzen 5800x3d
    Vendor
    Amd
    Product
    Ryzen 5800x3d Firmware
    Vendor
    Amd
    Product
    Ryzen 5800x Firmware
    Vendor
    Amd
    Product
    Ryzen 5900
    Vendor
    Amd
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    Ryzen 5900 Firmware
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    Amd
    Product
    Ryzen 5900x
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    Amd
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    Ryzen 5900x Firmware
    Vendor
    Amd
    Product
    Ryzen 5945wx
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    Amd
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    Ryzen 5945wx Firmware
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    Amd
    Product
    Ryzen 5950x
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    Amd
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    Ryzen 5950x Firmware
    Vendor
    Amd
    Product
    Ryzen 5955wx
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    Amd
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    Ryzen 5955wx Firmware
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    Amd
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    Ryzen 5965wx
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    Amd
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    Ryzen 5965wx Firmware
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    Amd
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    Ryzen 5975wx
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    Amd
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    Ryzen 5975wx Firmware
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    Amd
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    Ryzen 5995wx
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    Amd
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    Ryzen 5995wx Firmware
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    Amd
    Product
    Ryzen 6600h
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    Amd
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    Ryzen 6600h Firmware
    Vendor
    Amd
    Product
    Ryzen 6600hs
    Vendor
    Amd
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    Ryzen 6600hs Firmware
    Vendor
    Amd
    Product
    Ryzen 6600u
    Vendor
    Amd
    Product
    Ryzen 6600u Firmware
    Vendor
    Amd
    Product
    Ryzen 6800h
    Vendor
    Amd
    Product
    Ryzen 6800h Firmware
    Vendor
    Amd
    Product
    Ryzen 6800hs
    Vendor
    Amd
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    Ryzen 6800hs Firmware
    Vendor
    Amd
    Product
    Ryzen 6800u
    Vendor
    Amd
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    Ryzen 6800u Firmware
    Vendor
    Amd
    Product
    Ryzen 6900hs
    Vendor
    Amd
    Product
    Ryzen 6900hs Firmware
    Vendor
    Amd
    Product
    Ryzen 6900hx
    Vendor
    Amd
    Product
    Ryzen 6900hx Firmware
    Vendor
    Amd
    Product
    Ryzen 6980hs
    Vendor
    Amd
    Product
    Ryzen 6980hs Firmware
    Vendor
    Amd
    Product
    Ryzen 6980hx
    Vendor
    Amd
    Product
    Ryzen 6980hx Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2021-46792 (CVSS 5.9) — Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to crea…
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    CVE-2021-46755 (CVSS 7.5) — Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow…
    CVE-2021-46754 (CVSS 9.1) — Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compro…
    CVE-2021-46753 (CVSS 9.1) — Failure to validate the length fields of the ASP (AMD Secure Processor) sensor fusion hub headers may allow an…
    CVE-2021-46749 (CVSS 7.5) — Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System …

    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