CVE-2021-0920

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    CVE-2021-0920

    Published: 15 Dec 2021Last Modified: 23 Mar 2026

    Summary:

    Details: In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel

    References: https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html, https://source.android.com/security/bulletin/2021-11-01, https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-0920

    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-2021-0920 | CVE-DB