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    CVE-2021-34387

    The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only.

    Published:Jun 21, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 21, 2021
    EPSS Score:0.00027
    CVSS Score:6.3

    Affected Products

    Vendor
    Nvidia
    Product
    Jetson Linux
    Vendor
    Nvidia
    Product
    Jetson Tx1

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-276 Incorrect Default Permissions

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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