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CVE record · CVE-2026-80890

sctp: reject stale cookies with mismatched verification tags

No CVSS scoreEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 17:11 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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before f6e3cc296372accad4ee57405195021231ef4bcb git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c151daba0ceb1fb068a215b07de89fb1eb5f87bc git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 817cffdbdbdf50e1f2b016599d1897de3ca54964 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 61baa5020b0afb41bfd97f8f6ce5e336c4a4546e git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c68557a49e960dbcdede22c7a9b488603078b8b4 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before a0d1693923f41d6f49083aa2446686aed09d1d79 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 35c279113498d19a8734e2aae67b951b9b20f634 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 9d8da8e0a9bce4a340af60dd0446bc7eb8d07587 git
Other versions: unaffected
Linux Linux
  • affected 2.6.12
  • unaffected before 2.6.12 semver
  • unaffected 5.10.265 to 5.10.*, inclusive semver
  • unaffected 5.15.216 to 5.15.*, inclusive semver
  • unaffected 6.1.183 to 6.1.*, inclusive semver
  • unaffected 6.6.151 to 6.6.*, inclusive semver
  • unaffected 6.12.103 to 6.12.*, inclusive semver
  • unaffected 6.18.44 to 6.18.*, inclusive semver
  • unaffected 7.1.8 to 7.1.*, inclusive semver
  • unaffected 7.2 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-80890
CNA
Linux
Tags
Published
4 Sept 2026
Updated
6 Nov 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

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0018, the 7th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 4 Sept 2026, 17:11 UTC Confirmed by the CVE List
  2. 4 Sept 2026, 18:17 UTC Confirmed by NVD

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.