UBUNTU-CVE-2022-2347

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    UBUNTU-CVE-2022-2347

    Published: 23 Sept 2022Last Modified: 26 Aug 2026
    Upstream:
    CVE-2022-2347

    Summary:

    Details: There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.

    References: https://ubuntu.com/security/CVE-2022-2347, https://www.openwall.com/lists/oss-security/2022/07/08/2, https://ubuntu.com/security/notices/USN-5764-1, https://ubuntu.com/security/notices/USN-6523-1, https://www.cve.org/CVERecord?id=CVE-2022-2347

    Affected packages

    Package

    Name: u-boot

    Purl: pkg:deb/ubuntu/u-boot?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-2022-2347 | CVE-DB