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    Dashboard / CVE / CVE-2021-47485

    CVE-2021-47485

    In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.

    Published:May 22, 2024
    Last Modified:May 4, 2025
    EPS:May 22, 2024
    EPSS Score:0.00033
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

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    References

    https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952
    https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724
    https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad
    https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d
    https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42
    https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0
    https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780
    https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be
    https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952
    https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724
    https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad
    https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d
    https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42
    https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0
    https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780
    https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be

    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