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    CVE-2023-2598

    A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.

    Published:May 3, 2023
    Last Modified:Apr 23, 2025
    EPS:Jun 1, 2023
    EPSS Score:0.00642
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Hci Baseboard Management Controller

    Exploits

    https://github.com/cainiao159357/CVE-2023-2598https://github.com/guard-wait/CVE-2023-2598_EXPhttps://github.com/LLfam/CVE-2023-2598https://github.com/SpongeBob-369/CVE-2023-2598https://github.com/ysanatomic/io_uring_LPE-CVE-2023-2598

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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