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CVE record · CVE-2026-89689

nfsd: don't free session slots that are still in use

CVSS 9.8 CriticalCriticalEPSS 0.0061 · 50th 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 fc8738c68d0bbf5033dd98b4f63d277ecbd49fd7 to before 72d40b103bb03f0124d3a3c8f71a30cbafaf6afa git
  • affected fc8738c68d0bbf5033dd98b4f63d277ecbd49fd7 to before b449b134e7762ddf98653a4b1d3e76d2d212ea64 git
  • affected fc8738c68d0bbf5033dd98b4f63d277ecbd49fd7 to before f5d22e372f4ac3eb287037a488c29691d52a6330 git
Other versions: unaffected
Linux Linux
  • affected 6.14
  • unaffected before 6.14 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-2026-89689
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 0.0061, the 50th 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.