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    CVE-2023-1295

    A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.

    Published:Feb 1, 2021
    Last Modified:Feb 13, 2025
    EPS:Jun 28, 2023
    EPSS Score:0.0002
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    H300s
    Vendor
    Netapp
    Product
    H410c
    Vendor
    Netapp
    Product
    H410s
    Vendor
    Netapp
    Product
    H500s
    Vendor
    Netapp
    Product
    H700s

    Exploits

    No exploit reference

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    References

    https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=788d0824269bef539fe31a785b1517882eafed93
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9eac1904d3364254d622bf2c771c4f85cd435fc2
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb
    https://kernel.dance/788d0824269bef539fe31a785b1517882eafed93
    https://kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2
    https://security.netapp.com/advisory/ntap-20230731-0006/
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=788d0824269bef539fe31a785b1517882eafed93
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9eac1904d3364254d622bf2c771c4f85cd435fc2
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb
    https://kernel.dance/788d0824269bef539fe31a785b1517882eafed93
    https://kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2
    https://security.netapp.com/advisory/ntap-20230731-0006/

    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