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CVE record · CVE-2026-89559

libnvdimm/labels: Prevent integer overflow in __nd_label_validate()

CVSS 7.8 HighEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:44 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 564e871aa66f548a947b23808d3140f326381f0c to before b4975f2ff6c82adc24ae547f029f82530ba43cfe git
  • affected 564e871aa66f548a947b23808d3140f326381f0c to before 6030597ec683d1e5b46445f888bb5c7776b5a0c4 git
  • affected 564e871aa66f548a947b23808d3140f326381f0c to before 1c391696d2791f82ae462e11da9a0d96f90b240c git
  • affected 564e871aa66f548a947b23808d3140f326381f0c to before 93967bfb17dab66642c57e609c99e1a91fe11278 git
  • affected 564e871aa66f548a947b23808d3140f326381f0c to before e057efcc9c71d90099d9ee00bed0748d0e9fd586 git
  • affected 564e871aa66f548a947b23808d3140f326381f0c to before 09e649117c54b7e1c004f22eaa19efbadd9ac856 git
  • affected 564e871aa66f548a947b23808d3140f326381f0c to before 69a734359639fca16a0dd73ab17a34943e76c68b git
  • affected 564e871aa66f548a947b23808d3140f326381f0c to before 037770686126155eafc44501312989e2837b9659 git
Other versions: unaffected
Linux Linux
  • affected 4.13
  • unaffected before 4.13 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-2026-89559
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
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th 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.