UBUNTU-CVE-2022-4378

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    UBUNTU-CVE-2022-4378

    Published: 5 Jan 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-4378
    Aliases:
    USN-5799-1
    USN-5803-1
    USN-5809-1

    Summary:

    Details: A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

    References: https://ubuntu.com/security/CVE-2022-4378, https://marc.info/?l=oss-security&m=167060228526317, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bce9332220bd677d83b19d21502776ad555a0e73, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e6cfaf34be9fcd1a8285a294e18986bfc41a409c, https://ubuntu.com/security/notices/USN-5799-1, https://ubuntu.com/security/notices/USN-5803-1, https://ubuntu.com/security/notices/USN-5809-1, https://ubuntu.com/security/notices/USN-5814-1, https://ubuntu.com/security/notices/USN-5831-1, https://ubuntu.com/security/notices/USN-5832-1, https://ubuntu.com/security/notices/USN-5860-1, https://ubuntu.com/security/notices/USN-5877-1, https://ubuntu.com/security/notices/USN-5879-1, https://ubuntu.com/security/notices/USN-5883-1, https://ubuntu.com/security/notices/USN-5919-1, https://ubuntu.com/security/notices/USN-5920-1, https://www.cve.org/CVERecord?id=CVE-2022-4378

    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-2022-4378 | CVE-DB