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    CVE-2021-26377

    Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.

    Published:Sep 6, 2025
    Last Modified:Apr 15, 2026
    EPS:Sep 6, 2025
    EPSS Score:0.00016
    CVSS Score:4.1

    Affected Products

    Vendor
    Amd
    Product
    Athlon
    Vendor
    Amd
    Product
    Athlon 3000
    Vendor
    Amd
    Product
    Radeon Instinct Mi25
    Vendor
    Amd
    Product
    Radeon Pro V520
    Vendor
    Amd
    Product
    Radeon Pro V620
    Vendor
    Amd
    Product
    Radeon Pro W5000
    Vendor
    Amd
    Product
    Radeon Pro W6000
    Vendor
    Amd
    Product
    Radeon Rx 5000
    Vendor
    Amd
    Product
    Radeon Rx 6000
    Vendor
    Amd
    Product
    Ryzen 3000
    Vendor
    Amd
    Product
    Ryzen 4000

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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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