CVE-2021-29627

    Dashboard / Vulnerabilities / CVE-2021-29627

    CVE-2021-29627

    Published: 7 Apr 2021Last Modified: 10 Mar 2026

    Summary:

    Details: 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.

    References: , https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc, https://security.netapp.com/advisory/ntap-20210423-0007/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2021-29627 | CVE-DB