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CVE record · CVE-2026-89669

nfsd: initialize copy-notify stateid before publishing it

CVSS 9.8 CriticalCriticalEPSS 0.0069 · 53rd percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before 863b6e995665472f2af5be2436a874ab6a9e5ac6 git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before d18d36395d973ef7372c8e6724970585f75b5c0b git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before 4415a692346a39fdb647cbd717eda510159aaf55 git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before 9caad13b7cfe9ccb90cc405ac77335800e086595 git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before e08a3dcaca0505f861e344a387f37f94d95dbdc2 git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before a4d7fedcaaf33e60a01e53eafca9041ef966212f git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before 4cdef96892f4fa6e70c405b6e8f2fd6972f3b64b git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before 129643893b79f8a3c6b72045f933fbab5ee424ca git
Other versions: unaffected
Linux Linux
  • affected 5.6
  • unaffected before 5.6 semver
  • unaffected 5.10.270 to 5.10.*, inclusive semver
  • unaffected 5.15.221 to 5.15.*, inclusive semver
  • unaffected 6.1.188 to 6.1.*, inclusive semver
  • unaffected 6.6.157 to 6.6.*, inclusive semver
  • unaffected 6.12.109 to 6.12.*, inclusive semver
  • unaffected 6.18.50 to 6.18.*, inclusive semver
  • unaffected 7.2.4 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89669
CNA
Linux
Tags
Published
11 Sept 2026
Updated
19 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0069, the 53rd percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 11 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.