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CVE record · CVE-2026-89663

nfsd: revoke copy-notify stateids before dropping their reference

CVSS 8.8 HighEPSS 0.0046 · 40th percentile

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 5f00e0ab4de45d4f9e4bd0883cf2517acf63fc0d git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before 06a62f6dbc60791f4229c6950b1eec6b18df9af1 git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before a1fca0f7bbb7b100a39c7ba8dd7922c87c4237a3 git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before caddbeffab1eaba1d2bcf5ceda35547863466705 git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before 6b8149448cdcb476fba4559d1ecc247efee9971b git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before b56d2c5f01cddbeca7d11cce81d97db4ec9a464f git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before ff8a3cff02b92b2a82f1a9876038fcf953ae9c25 git
  • affected 624322f1adc58acd0b69f77a6ddc764207e97241 to before 3b0c3595db99bb4bebd7c8aa8a36f3c50e411bb7 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-2026-89663
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
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0046, the 40th 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.