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    CVE-2021-47171

    In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728

    Published:Mar 25, 2024
    Last Modified:May 4, 2025
    EPS:Mar 25, 2024
    EPSS Score:0.00007
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    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/200dbfcad8011e50c3cec269ed7b980836eeb1fa
    https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
    https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
    https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
    https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
    https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
    https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
    https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17
    https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa
    https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
    https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
    https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
    https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
    https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
    https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
    https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17

    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