UBUNTU-CVE-2022-39189

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    UBUNTU-CVE-2022-39189

    Published: 2 Sept 2022Last Modified: 17 Sept 2026
    Upstream:
    CVE-2022-39189

    Summary:

    Details: An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

    References: https://ubuntu.com/security/CVE-2022-39189, https://bugs.chromium.org/p/project-zero/issues/detail?id=2309, https://git.kernel.org/linus/6cd88243c7e03845a450795e134b488fc2afb736, https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6cd88243c7e03845a450795e134b488fc2afb736, https://github.com/torvalds/linux/commit/6cd88243c7e03845a450795e134b488fc2afb736, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.17, https://ubuntu.com/security/notices/USN-5667-1, https://ubuntu.com/security/notices/USN-5683-1, https://ubuntu.com/security/notices/USN-5703-1, https://www.cve.org/CVERecord?id=CVE-2022-39189

    Affected packages

    Package

    Name: linux-hwe-edge

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.8.0-28.30~16.04.1
    4.8.0-30.32~16.04.1
    4.8.0-32.34~16.04.1
    4.8.0-34.36~16.04.1

    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
    UBUNTU-CVE-2022-39189 | CVE-DB