UBUNTU-CVE-2018-15686

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    UBUNTU-CVE-2018-15686

    Published: 26 Oct 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-15686
    Aliases:
    USN-3816-1

    Summary:

    Details: A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.

    References: https://ubuntu.com/security/CVE-2018-15686, https://ubuntu.com/security/notices/USN-3816-1, https://www.cve.org/CVERecord?id=CVE-2018-15686

    Affected packages

    Package

    Name: systemd

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -229-4ubuntu21.8

    Affected versions

    225-1ubuntu9

    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