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    CVE-2024-41077

    In the Linux kernel, the following vulnerability has been resolved: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check]

    Published:Jul 29, 2024
    Last Modified:Jan 5, 2026
    EPS:Jul 29, 2024
    EPSS Score:0.00017
    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/08f03186b96e25e3154916a2e70732557c770ea7
    https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e
    https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1
    https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0
    https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053
    https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3
    https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7
    https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e
    https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1
    https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0
    https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053
    https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3
    https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

    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