UBUNTU-CVE-2023-23583

    Dashboard / Vulnerabilities / UBUNTU-CVE-2023-23583

    UBUNTU-CVE-2023-23583

    Published: 14 Nov 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-23583
    Aliases:
    USN-6485-1

    Summary:

    Details: Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service via local access.

    References: https://ubuntu.com/security/CVE-2023-23583, https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00950.html, https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/redundant-prefix-issue.html, https://www.openwall.com/lists/oss-security/2023/11/14/4, https://lock.cmpxchg8b.com/reptar.html, https://ubuntu.com/security/notices/USN-6485-1, https://www.cve.org/CVERecord?id=CVE-2023-23583

    Affected packages

    Package

    Name: intel-microcode

    Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    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
    UBUNTU-CVE-2023-23583 | CVE-DB