USN-3522-1

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    USN-3522-1

    Published: 9 Jan 2018Last Modified: 29 May 2026

    Summary: linux, linux-aws, linux-euclid, linux-kvm vulnerability

    Details: Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory.

    References: https://ubuntu.com/security/notices/USN-3522-1, https://ubuntu.com/security/CVE-2017-5754

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.4.0-108.131

    Affected versions

    4.2.0-16.19
    4.2.0-17.21
    4.2.0-19.23

    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