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CVE record · CVE-2026-80987

NTB: ntb_transport: Reject oversized TX buffers

CVSS 7.5 HighEPSS 0.0050 · 43rd percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:42 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 fce8a7bb5b4bfb8a27324703fd5b002ee9247e90 to before 4890152a3069f5cb58cc24b08cfd5fe95e568fa1 git
  • affected fce8a7bb5b4bfb8a27324703fd5b002ee9247e90 to before 668aa3238548584ca9772da9cf43ae8c2389bbf1 git
  • affected fce8a7bb5b4bfb8a27324703fd5b002ee9247e90 to before 9b0fa8a9e1057614a533cc3f18b17f82aab028d8 git
  • affected fce8a7bb5b4bfb8a27324703fd5b002ee9247e90 to before b6db88cde0fb5c3bd2d3cd2bebcc06b5ce146e88 git
  • affected fce8a7bb5b4bfb8a27324703fd5b002ee9247e90 to before a7f22105a7df8c7fd74d0af27ace6fa94fe03d87 git
  • affected fce8a7bb5b4bfb8a27324703fd5b002ee9247e90 to before 6b6bbc6c878d64eacc60877df49fce7b1b6a08d0 git
  • affected fce8a7bb5b4bfb8a27324703fd5b002ee9247e90 to before 75a604e9f1cfdebda421062fdf42225ca32154cd git
  • affected fce8a7bb5b4bfb8a27324703fd5b002ee9247e90 to before a4f2387db6f1cc2f03abba7f3a6807ad61e26ff7 git
Other versions: unaffected
Linux Linux
  • affected 3.9
  • unaffected before 3.9 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-2026-80987
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
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0050, the 43rd 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.