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    CVE-2024-38587

    In the Linux kernel, the following vulnerability has been resolved: speakup: Fix sizeof() vs ARRAY_SIZE() bug The "buf" pointer is an array of u16 values. This code should be using ARRAY_SIZE() (which is 256) instead of sizeof() (which is 512), otherwise it can the still got out of bounds.

    Published:Jun 19, 2024
    Last Modified:Aug 4, 2026
    EPS:Jun 19, 2024
    EPSS Score:0.01136
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers

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    References

    https://git.kernel.org/stable/c/008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b
    https://git.kernel.org/stable/c/07ef95cc7a579731198c93beed281e3a79a0e586
    https://git.kernel.org/stable/c/3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e
    https://git.kernel.org/stable/c/42f0a3f67158ed6b2908d2b9ffbf7e96d23fd358
    https://git.kernel.org/stable/c/504178fb7d9f6cdb0496d5491efb05f45597e535
    https://git.kernel.org/stable/c/c6e1650cf5df1bd6638eeee231a683ef30c7d4eb
    https://git.kernel.org/stable/c/cd7f3978c2ec741aedd1d860b2adb227314cf996
    https://git.kernel.org/stable/c/d52c04474feac8e305814a5228e622afe481b2ef
    https://git.kernel.org/stable/c/eb1ea64328d4cc7d7a912c563f8523d5259716ef
    https://git.kernel.org/stable/c/008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b
    https://git.kernel.org/stable/c/07ef95cc7a579731198c93beed281e3a79a0e586
    https://git.kernel.org/stable/c/3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e
    https://git.kernel.org/stable/c/42f0a3f67158ed6b2908d2b9ffbf7e96d23fd358
    https://git.kernel.org/stable/c/504178fb7d9f6cdb0496d5491efb05f45597e535
    https://git.kernel.org/stable/c/c6e1650cf5df1bd6638eeee231a683ef30c7d4eb
    https://git.kernel.org/stable/c/cd7f3978c2ec741aedd1d860b2adb227314cf996
    https://git.kernel.org/stable/c/d52c04474feac8e305814a5228e622afe481b2ef
    https://git.kernel.org/stable/c/eb1ea64328d4cc7d7a912c563f8523d5259716ef
    https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
    https://cert-portal.siemens.com/productcert/html/ssa-265688.html
    https://cert-portal.siemens.com/productcert/html/ssa-613116.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