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CVE record · CVE-2026-89675

nfsd: fix UAF in async copy cancel and shutdown

CVSS 9.8 CriticalCriticalEPSS 0.0044 · 38th 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 e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 9031493ef7369d5c59c4bacc96f0c85965f09a98 git
  • affected e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before a385cf5e016b748babf94cc664e43a26e17db117 git
  • affected e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 62c0f6eaf050bb9284c1f9cac6ed1770092e6b95 git
Other versions: unaffected
Linux Linux
  • affected 4.20
  • unaffected before 4.20 semver
  • unaffected 6.18.51 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-2026-89675
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 0.0044, the 38th 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.