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    CVE-2021-29627

    In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.

    Published:Apr 7, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 7, 2021
    EPSS Score:0.0105
    CVSS Score:7.8

    Affected Products

    Vendor
    Freebsd
    Product
    Freebsd

    Exploits

    https://github.com/raymontag/cve-2021-29627

    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