UBUNTU-CVE-2022-33967

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    UBUNTU-CVE-2022-33967

    Published: 20 Jul 2022Last Modified: 4 Feb 2026
    Upstream:
    CVE-2022-33967
    Aliases:
    USN-5764-1

    Summary:

    Details: squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.

    References: https://ubuntu.com/security/CVE-2022-33967, https://www.denx.de/project/u-boot/, https://lists.denx.de/pipermail/u-boot/2022-June/487467.html, https://jvn.jp/en/vu/JVNVU97846460/index.html, https://ubuntu.com/security/notices/USN-5764-1, https://www.cve.org/CVERecord?id=CVE-2022-33967

    Affected packages

    Package

    Name: u-boot

    Purl: pkg:deb/ubuntu/[email protected]+dfsg1-2ubuntu5?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2015.04+dfsg1-2ubuntu1

    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-2022-33967 | CVE-DB