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CVE record · CVE-2026-89676

nfsd: fix stale s2s_cp_stateids IDR entry for async COPY

CVSS 9.8 CriticalCriticalEPSS 0.0049 · 42nd 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, 19:46 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 e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 745b2edfdd96b8738a94dee450adff4c7d026d5b git
  • affected e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before bdce362f49410b9def65d76c21f6259cd89696d8 git
  • affected e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 7aa34ea78f74e6ef60c8112635a87fc43d57f6c9 git
  • affected e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 9b4e5e9ba5ae13808b8a6d229d87c54611ba0e7a git
  • affected e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 14b978e8d05ce018d0afbeb6611833ef91713a02 git
  • affected e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before d0beaee498e11880e72826026db0e9c9890fc114 git
Other versions: unaffected
Linux Linux
  • affected 4.20
  • unaffected before 4.20 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.111 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-2026-89676
CNA
Linux
Tags
Published
11 Sept 2026
Updated
30 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 0.0049, the 42nd 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.