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.

• https://git.kernel.org/stable/c/1bb5cdc3e39f0c2b311fcb631258b7e60d3fb0d3Patch
• https://git.kernel.org/stable/c/2b1d5ca395a5fb170c3f885cd42c16179f7f54ecPatch
• https://git.kernel.org/stable/c/2d91b3765cd05016335cd5df5e5c6a29708ec058Patch
• https://git.kernel.org/stable/c/34d8e982bac48bdcca7524644a8825a580edce74Patch
• https://git.kernel.org/stable/c/5845b926c561b8333cd65169526eec357d7bb449Patch
• https://git.kernel.org/stable/c/89fff8e3d6710fc32507b8e19eb5afa9fb79b896Patch
• https://git.kernel.org/stable/c/8ed7275910fb7177012619864e04d3008763f3eaPatch
• https://git.kernel.org/stable/c/b5b471820c33365a8ccd2d463578bf4e47056c2cPatch
• https://git.kernel.org/stable/c/df3fd8daf278eca365f221749ae5b728e8382a04Patch
• https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlMailing List, Third Party Advisory
• https://cert-portal.siemens.com/productcert/html/ssa-032379.html

Published

Sep 11, 2025

Last Modified

Jun 17, 2026

Status

Modified

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