USN-5612-1

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    USN-5612-1

    Published: 15 Sept 2022Last Modified: 10 Feb 2026

    Summary: intel-microcode vulnerability

    Details: Pietro Borrello, Andreas Kogler, Martin Schwarzl, Daniel Gruss, Michael Schwarz and Moritz Lipp discovered that some Intel processors did not properly clear data between subsequent xAPIC MMIO reads. This could allow a local attacker to compromise SGX enclaves.

    References: https://ubuntu.com/security/notices/USN-5612-1, https://ubuntu.com/security/CVE-2022-21233

    Affected packages

    Package

    Name: intel-microcode

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.20220809.0ubuntu0.18.04.1

    Affected versions

    3.20170707.1

    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
    USN-5612-1 | CVE-DB