CVE-2025-40312
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.
Affected versions
Linux kernel versions
2.6.12
and later are affected. Fixed in
5.4.302,
5.10.247,
5.15.197,
6.1.159,
6.6.117,
6.12.58,
6.17.8,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-40312 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/1795277a4e98d82e6451544d43695540cee042ea
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PatchKernel patch commithttps://git.kernel.org/stable/c/19cce65709a8a2966203653028d9004e28e85bd5
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PatchKernel patch commithttps://git.kernel.org/stable/c/2870a7dec49ccdc3f6ae35da8f5d6737f21133a8
Frequently asked questions
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What is CVE-2025-40312?
CVE-2025-40312 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.12 onward and has been patched in 5.4.302, 5.10.247, 5.15.197 and others. CVE-2025-40312 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-40312?
Yes — CVE-2025-40312 has been patched. Fixed versions include 5.4.302, 5.10.247, 5.15.197 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40312 actively exploited?
No — CVE-2025-40312 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.