USN-2872-2

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    USN-2872-2

    Published: 19 Jan 2016Last Modified: 10 Feb 2026

    Summary: linux-lts-wily vulnerability

    Details: Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges.

    References: https://ubuntu.com/security/notices/USN-2872-2, https://ubuntu.com/security/CVE-2016-0728

    Affected packages

    Package

    Name: linux-lts-wily

    Purl: pkg:deb/ubuntu/[email protected]~14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.2.0-25.30~14.04.1

    Affected versions

    4.2.0-18.22~14.04.1
    4.2.0-19.23~14.04.1
    4.2.0-21.25~14.04.1
    4.2.0-22.27~14.04.1
    4.2.0-23.28~14.04.1

    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