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CVE record · CVE-2026-80981

net/smc: fix use-after-free of the LLC qentry in smc_llc_srv_add_link()

CVSS 9.8 CriticalCriticalEPSS 0.0060 · 49th 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 c52a998a223e7e84333306996edec096178d1e95 git
  • affected 27ef6a9981fe74191849966a6d5e0400a4008ab8 to before adef84cc85d449ac28d2b4b4c49cf19619c56e27 git
  • affected 27ef6a9981fe74191849966a6d5e0400a4008ab8 to before a42a459ef0e54cb0c4b3e43e21cb0e658e664f64 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-2026-80981
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 0.0060, the 49th 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.