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CVE record · CVE-2026-89965

nvdimm/btt: reject an arena whose nfree is below the lane count

CVSS 7.8 HighEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 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 5212e11fde4d40fa627668b4f2222d20db488f71 to before eb491343d2d1784121ad9af91c25b338c28913c3 git
  • affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 59d5cd1f42b4bab3609512c3cb3d3540d3d21da7 git
  • affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before f6c5313aae794ecca8f762c1a3493de5c266f120 git
  • affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before f9bf05c63b77d000e9c01f3e47af36973887d350 git
  • affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 6f79d1a5f2611a3d36e9312be5425cd9cb397c51 git
  • affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 6b1faf1f099f7060b5f1f2f0d024132581f1726e git
  • affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 9dfa11cef4750b67591307f2c62e47a23d60e4b7 git
  • affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 6a1f2e5ed9267ca19187038ac635393c165213ac git
Other versions: unaffected
Linux Linux
  • affected 4.2
  • unaffected before 4.2 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 6.12.110 to 6.12.*, inclusive semver
  • unaffected 6.18.51 to 6.18.*, inclusive semver
  • unaffected 7.2.5 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89965
CNA
Linux
Tags
Published
16 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 13 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 16 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.