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    CVE-2021-3543

    A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system.

    Published:Apr 29, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 1, 2021
    EPSS Score:0.00098
    CVSS Score:6.7

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Nitro Enclaves Project
    Product
    Nitro Enclaves
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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