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    CVE-2023-52646

    In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [[email protected]: fix 80 column issue]

    Published:Apr 26, 2024
    Last Modified:May 4, 2025
    EPS:Apr 26, 2024
    EPSS Score:0.00008
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    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/178993157e8c50aef7f35d7d6d3b44bb428199e1
    https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2
    https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95
    https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1
    https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d
    https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f
    https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22
    https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1
    https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2
    https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95
    https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1
    https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d
    https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f
    https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22

    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