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CVE record · CVE-2026-80986

net/smc: bound the peer rkey counts in SMC-Rv2 LLC messages

CVSS 9.8 CriticalCriticalEPSS 0.0065 · 51st 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, 19:42 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 27ef6a9981fe74191849966a6d5e0400a4008ab8 to before 486c699a8cde82c1d9b4f443eeab4ddf86358cb0 git
  • affected 27ef6a9981fe74191849966a6d5e0400a4008ab8 to before 5e5d9e6df677d30a2203d257b5fd8b99814fa607 git
  • affected 27ef6a9981fe74191849966a6d5e0400a4008ab8 to before 2d1e7c5aaa3326e95e2058457f172ca99a9a4577 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-2026-80986
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 0.0065, the 51st 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.