CVE-2021-4115

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    CVE-2021-4115

    Published: 21 Feb 2022Last Modified: 8 Jul 2026

    Summary:

    Details: There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned

    References: http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/, https://access.redhat.com/security/cve/cve-2021-4115, https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e, https://gitlab.freedesktop.org/polkit/polkit/-/issues/141, https://www.oracle.com/security-alerts/cpujul2022.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 585f4f2715639394e36319d4918389d26e250e7b
    Fixed -None

    Affected versions

    0.117

    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-2021-4115 | CVE-DB