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    CVE-2021-47405

    In the Linux kernel, the following vulnerability has been resolved: HID: usbhid: free raw_report buffers in usbhid_stop Free the unsent raw_report buffers when the device is removed. Fixes a memory leak reported by syzbot at: https://syzkaller.appspot.com/bug?id=7b4fa7cb1a7c2d3342a2a8a6c53371c8c418ab47

    Published:May 21, 2024
    Last Modified:Dec 18, 2025
    EPS:May 21, 2024
    EPSS Score:0.00007
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://git.kernel.org/stable/c/2b704864c92dcec2b295f276fcfbfb81d9831f81
    https://git.kernel.org/stable/c/764ac04de056801dfe52a716da63f6e7018e7f3b
    https://git.kernel.org/stable/c/7ce4e49146612261265671b1d30d117139021030
    https://git.kernel.org/stable/c/965147067fa1bedff3ae1f07ce3f89f1a14d2df3
    https://git.kernel.org/stable/c/c3156fea4d8a0e643625dff69a0421e872d1fdae
    https://git.kernel.org/stable/c/efc5c8d29256955cc90d8d570849b2d6121ed09f
    https://git.kernel.org/stable/c/f7744fa16b96da57187dc8e5634152d3b63d72de
    https://git.kernel.org/stable/c/f7ac4d24e1610b92689946fa88177673f1e88a3f
    https://git.kernel.org/stable/c/2b704864c92dcec2b295f276fcfbfb81d9831f81
    https://git.kernel.org/stable/c/764ac04de056801dfe52a716da63f6e7018e7f3b
    https://git.kernel.org/stable/c/7ce4e49146612261265671b1d30d117139021030
    https://git.kernel.org/stable/c/965147067fa1bedff3ae1f07ce3f89f1a14d2df3
    https://git.kernel.org/stable/c/c3156fea4d8a0e643625dff69a0421e872d1fdae
    https://git.kernel.org/stable/c/efc5c8d29256955cc90d8d570849b2d6121ed09f
    https://git.kernel.org/stable/c/f7744fa16b96da57187dc8e5634152d3b63d72de
    https://git.kernel.org/stable/c/f7ac4d24e1610b92689946fa88177673f1e88a3f

    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