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    CVE-2021-3571

    A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. This flaw affects linuxptp versions before 3.1.1 and before 2.0.1.

    Published:Jul 5, 2021
    Last Modified:Nov 21, 2024
    EPS:Jul 9, 2021
    EPSS Score:0.0041
    CVSS Score:7.1

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Linuxptp Project
    Product
    Linuxptp
    Vendor
    Redhat
    Product
    Enterprise Linux

    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