{"cve":"CVE-2026-89697","nvd":{"published":"2026-09-11T20:19:56.843","modified":"2026-10-19T09:18:08.257","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: add fh_want_write() for early-verified SETATTR in nfsd_proc_setattr()\n\nThe BOTH_TIME_SET branch calls fh_verify() early so setattr_prepare()\ncan inspect the dentry. This causes nfsd_setattr() to skip\nfh_want_write(), so notify_change() runs without a mount write\nreference.\n\nAdd the missing fh_want_write() call after the early fh_verify().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","score":9.1},"cwes":[],"references":["https://git.kernel.org/stable/c/15ca3b64a69caa6194bed8f98a20ed90a11c11dd","https://git.kernel.org/stable/c/2150305134889fb2fc25228d35353bd2f6f29500","https://git.kernel.org/stable/c/3eec9d791968c177a4a8cda9af5c04f79dae09cb","https://git.kernel.org/stable/c/4e475be769aa9f7a2c1ce55a2b8592cfccacddcc","https://git.kernel.org/stable/c/533964d420d385e11b08dd4c56c66ef5dcccaf08"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:53:43.293028046+00:00"},"epss":{"cve":"CVE-2026-89697","score":0.00696,"percentile":0.52739,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}