UBUNTU-CVE-2022-20158

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    UBUNTU-CVE-2022-20158

    Published: 11 Aug 2022Last Modified: 19 Dec 2025
    Upstream:
    CVE-2022-20158

    Summary:

    Details: In bdi_put and bdi_unregister of backing-dev.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-182815710References: Upstream kernel

    References: https://ubuntu.com/security/CVE-2022-20158, https://source.android.com/security/bulletin/pixel/2022-08-01, https://android.googlesource.com/kernel/common/+/80d91b86a199798ee2321a0ab0f09e6e12764678, https://android.googlesource.com/kernel/common/+/69e8f03c5ced3e4e6fb4181f4dac185104e3420b, https://lore.kernel.org/all/[email protected]/, https://www.cve.org/CVERecord?id=CVE-2022-20158

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/[email protected]~16.04.1?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-2022-20158 | CVE-DB