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    CVE-2024-49902

    In the Linux kernel, the following vulnerability has been resolved: jfs: check if leafidx greater than num leaves per dmap tree syzbot report a out of bounds in dbSplit, it because dmt_leafidx greater than num leaves per dmap tree, add a checking for dmt_leafidx in dbFindLeaf. Shaggy: Modified sanity check to apply to control pages as well as leaf pages.

    Published:Oct 21, 2024
    Last Modified:Aug 4, 2026
    EPS:Oct 21, 2024
    EPSS Score:0.00277
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    https://git.kernel.org/stable/c/058aa89b3318be3d66a103ba7c68d717561e1dc6
    https://git.kernel.org/stable/c/2451e5917c56be45d4add786e2a059dd9c2c37c4
    https://git.kernel.org/stable/c/25d2a3ff02f22e215ce53355619df10cc5faa7ab
    https://git.kernel.org/stable/c/35b91f15f44ce3c01eba058ccb864bb04743e792
    https://git.kernel.org/stable/c/4a7bf6a01fb441009a6698179a739957efd88e38
    https://git.kernel.org/stable/c/7fff9a9f866e99931cf6fa260288e55d01626582
    https://git.kernel.org/stable/c/cb0eb10558802764f07de1dc439c4609e27cb4f0
    https://git.kernel.org/stable/c/d64ff0d2306713ff084d4b09f84ed1a8c75ecc32
    https://git.kernel.org/stable/c/d76b9a4c283c7535ae7c7c9b14984e75402951e1
    https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
    https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
    https://cert-portal.siemens.com/productcert/html/ssa-265688.html
    https://cert-portal.siemens.com/productcert/html/ssa-355557.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