Bug 2390413 (CVE-2025-38663)

Summary: CVE-2025-38663 kernel: nilfs2: reject invalid file types when reading inodes
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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OS: Linux   
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Description OSIDB Bzimport 2025-08-22 17:05:38 UTC 
In the Linux kernel, the following vulnerability has been resolved:

nilfs2: reject invalid file types when reading inodes

To prevent inodes with invalid file types from tripping through the vfs
and causing malfunctions or assertion failures, add a missing sanity check
when reading an inode from a block device.  If the file type is not valid,
treat it as a filesystem error.
Comment 1 Keith Grant 2025-08-22 17:07:17 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025082259-CVE-2025-38663-b1e8@gregkh/T