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CVE record · CVE-2026-89479

sctp: stop processing a packet once its association is deleted

CVSS 9.8 CriticalCriticalEPSS 0.0050 · 43rd 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, 19:43 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 7d970353eeb98f46a3b9dc602850e4f6336a9889 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 09c3b193a3e8fe53e1f416e2f8e3283d2a785405 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ed85fe91a61bc0e0da6b585c07102b20f4cc65a0 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5c0b2dbbdafc9eeeb11fffe1e46551fc3b55d8ee git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ee3f04cf566f6041aa9a0360494fd8db5ade383a git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before fa306a40e716c5abcd967475459ce1ebd56e5115 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before a713e1b3a265f180ad25a08e17be15d67a2f7149 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 47e15a8d12e366d0d261bcbc394394f44418938d git
Other versions: unaffected
Linux Linux
  • affected 2.6.12
  • unaffected before 2.6.12 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-2026-89479
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 0.0050, 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.