CVE-2025-40312
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-08

Last updated on: 2025-12-08

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: jfs: Verify inode mode when loading from disk The inode mode loaded from corrupted disk can be invalid. Do like what commit 0a9e74051313 ("isofs: Verify inode mode when loading from disk") does.
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Meta Information
Published
2025-12-08
Last Modified
2025-12-08
Generated
2026-06-16
AI Q&A
2025-12-08
EPSS Evaluated
2026-06-15
NVD
CVE-2025-40312
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability involves the Linux kernel's JFS filesystem where the inode mode loaded from a corrupted disk can be invalid. The issue is that the inode mode is not properly verified when loading from disk, which can lead to potential problems. The fix involves verifying the inode mode during loading, similar to a previous fix applied to the isofs filesystem.

Impact Analysis

If the inode mode loaded from disk is invalid due to corruption and not properly verified, it could lead to filesystem inconsistencies, potential data corruption, or unexpected behavior in the Linux kernel's handling of files. This might affect system stability or security depending on how the invalid inode mode is exploited or causes errors.

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