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    CVE-2024-26964

    In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Add error handling in xhci_map_urb_for_dma Currently xhci_map_urb_for_dma() creates a temporary buffer and copies the SG list to the new linear buffer. But if the kzalloc_node() fails, then the following sg_pcopy_to_buffer() can lead to crash since it tries to memcpy to NULL pointer. So return -ENOMEM if kzalloc returns null pointer.

    Published:May 1, 2024
    Last Modified:May 4, 2025
    EPS:May 1, 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 Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://git.kernel.org/stable/c/4a49d24fdec0a802aa686a567a3989a9fdf4e5dd
    https://git.kernel.org/stable/c/620b6cf2f1a270f48d38e6b8ce199c1acb3e90f4
    https://git.kernel.org/stable/c/7b6cc33593d7ccfc3011b290849cfa899db46757
    https://git.kernel.org/stable/c/962300a360d24c5be5a188cda48da58a37e4304d
    https://git.kernel.org/stable/c/b2c898469dfc388f619c6c972a28466cbb1442ea
    https://git.kernel.org/stable/c/be95cc6d71dfd0cba66e3621c65413321b398052
    https://git.kernel.org/stable/c/4a49d24fdec0a802aa686a567a3989a9fdf4e5dd
    https://git.kernel.org/stable/c/620b6cf2f1a270f48d38e6b8ce199c1acb3e90f4
    https://git.kernel.org/stable/c/7b6cc33593d7ccfc3011b290849cfa899db46757
    https://git.kernel.org/stable/c/962300a360d24c5be5a188cda48da58a37e4304d
    https://git.kernel.org/stable/c/b2c898469dfc388f619c6c972a28466cbb1442ea
    https://git.kernel.org/stable/c/be95cc6d71dfd0cba66e3621c65413321b398052

    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