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    CVE-2021-26381

    Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.

    Published:Feb 10, 2026
    Last Modified:Apr 15, 2026
    EPS:Feb 10, 2026
    EPSS Score:0.00007
    CVSS Score:7.1

    Affected Products

    Vendor
    Amd
    Product
    Radeon Pro V520
    Vendor
    Amd
    Product
    Radeon Pro V620
    Vendor
    Amd
    Product
    Radeon Pro W5000 Series
    Vendor
    Amd
    Product
    Radeon Pro W6000 Series
    Vendor
    Amd
    Product
    Radeon Rx 5000 Series
    Vendor
    Amd
    Product
    Radeon Rx 6000 Series
    Vendor
    Amd
    Product
    Ryzen 5000 Series Desktop Processors
    Vendor
    Amd
    Product
    Ryzen 5000 Series Desktop Processors With Radeon Graphics
    Vendor
    Amd
    Product
    Ryzen 5000 Series Mobile Processors With Radeon Graphics
    Vendor
    Amd
    Product
    Ryzen Embedded 5000 Series Processors
    Vendor
    Amd
    Product
    Ryzen Embedded R1000 Series Processors
    Vendor
    Amd
    Product
    Ryzen Embedded R2000 Series Processors
    Vendor
    Amd
    Product
    Ryzen Embedded V1000 Series Processors
    Vendor
    Amd
    Product
    Ryzen Embedded V2000 Series Processors
    Vendor
    Amd
    Product
    Ryzen Embedded V3000 Series Processors
    Vendor
    Amd
    Product
    Ryzen Threadripper Pro 3000 Wx-series Processors
    Vendor
    Amd
    Product
    Ryzen Threadripper Pro 5000 Wx-series Processors

    Exploits

    No exploit reference

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    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