UBUNTU-CVE-2018-3639

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    UBUNTU-CVE-2018-3639

    Published: 21 May 2018Last Modified: 9 Sept 2026
    Upstream:
    Aliases:

    Summary:

    Details: Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.

    Affected packages

    Package

    Name: intel-microcode

    Purl: pkg:deb/ubuntu/intel-microcode?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.20180807a.0ubuntu0.14.04.1

    Affected versions

    1.20130906.1ubuntu2
    1.20130906.1ubuntu3

    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