CLEANSTART-2024-SZ31040

    Dashboard / Vulnerabilities / CLEANSTART-2024-SZ31040

    CLEANSTART-2024-SZ31040

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2022-42327

    Summary: x86: unintended memory sharing between guests On Intel systems that support the "virtualize APIC accesses" feature, a guest can read and write the global shared xAPIC page by moving the local APIC ...

    Details: Security vulnerability affects the xen package. x86: unintended memory sharing between guests On Intel systems that support the "virtualize APIC accesses" feature, a guest can read and write the global shared xAPIC page by moving the local APIC out of xAPIC mode.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-SZ31040.json, https://osv.dev/vulnerability/CVE-2022-42327, https://nvd.nist.gov/vuln/detail/CVE-2022-42327

    Affected packages

    Package

    Name: xen

    Purl: pkg:apk/cleanstart/xen?arch=x86_64

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.16.2-r1

    Affected versions

    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
    CLEANSTART-2024-SZ31040 | CVE-DB