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    CVE-2025-39743

    In the Linux kernel, the following vulnerability has been resolved: jfs: truncate good inode pages when hard link is 0 The fileset value of the inode copy from the disk by the reproducer is AGGR_RESERVED_I. When executing evict, its hard link number is 0, so its inode pages are not truncated. This causes the bugon to be triggered when executing clear_inode() because nrpages is greater than 0.

    Published:Sep 11, 2025
    Last Modified:May 12, 2026
    EPS:Sep 11, 2025
    EPSS Score:0.00016
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://git.kernel.org/stable/c/1bb5cdc3e39f0c2b311fcb631258b7e60d3fb0d3
    https://git.kernel.org/stable/c/2b1d5ca395a5fb170c3f885cd42c16179f7f54ec
    https://git.kernel.org/stable/c/2d91b3765cd05016335cd5df5e5c6a29708ec058
    https://git.kernel.org/stable/c/34d8e982bac48bdcca7524644a8825a580edce74
    https://git.kernel.org/stable/c/5845b926c561b8333cd65169526eec357d7bb449
    https://git.kernel.org/stable/c/89fff8e3d6710fc32507b8e19eb5afa9fb79b896
    https://git.kernel.org/stable/c/8ed7275910fb7177012619864e04d3008763f3ea
    https://git.kernel.org/stable/c/b5b471820c33365a8ccd2d463578bf4e47056c2c
    https://git.kernel.org/stable/c/df3fd8daf278eca365f221749ae5b728e8382a04
    https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
    https://cert-portal.siemens.com/productcert/html/ssa-032379.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