PT-2026-90413 · Linux · Linux
CVE-2026-89697
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Published
2026-09-11
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Updated
2026-09-11
None
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In the Linux kernel, the following vulnerability has been resolved:
nfsd: add fh want write() for early-verified SETATTR in nfsd proc setattr()
The BOTH TIME SET branch calls fh verify() early so setattr prepare()
can inspect the dentry. This causes nfsd setattr() to skip
fh want write(), so notify change() runs without a mount write
reference.
Add the missing fh want write() call after the early fh verify().
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Related Identifiers
Affected Products
Linux