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CVE record · CVE-2026-97417

netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack()

CVSS 7.5 HighEPSS 0.0049 · 42nd percentile

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:03 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 bb9fc37358ffa9de1cc2b2b6f1a559b926ef50d9 to before 740ad3d17a281f7764dda4dbeb37cea52e2e31ae git
  • affected bb9fc37358ffa9de1cc2b2b6f1a559b926ef50d9 to before a0523267de2523522b0f70972dd1ffa22ec6176c git
  • affected bb9fc37358ffa9de1cc2b2b6f1a559b926ef50d9 to before 55bcc3376cd7b18954cc9814da697504fdaf12bf git
  • affected bb9fc37358ffa9de1cc2b2b6f1a559b926ef50d9 to before 0d5ad732e4fdc569eb85861115e8f7b4c2c67852 git
  • affected bb9fc37358ffa9de1cc2b2b6f1a559b926ef50d9 to before 7ecfa46a536578a7ed335ddf31a854127268c27c git
  • affected bb9fc37358ffa9de1cc2b2b6f1a559b926ef50d9 to before 4abc1af7ac209c066f4e5dd75cdd56876e5829a9 git
  • affected bb9fc37358ffa9de1cc2b2b6f1a559b926ef50d9 to before d3bf9eae486490832bd08fd62ab0ac601f346bd4 git
Other versions: unaffected
Linux Linux
  • affected 3.1
  • unaffected before 3.1 semver
  • unaffected 5.10.271 to 5.10.*, inclusive semver
  • unaffected 5.15.222 to 5.15.*, inclusive semver
  • unaffected 6.1.189 to 6.1.*, inclusive semver
  • unaffected 6.6.158 to 6.6.*, inclusive semver
  • unaffected 6.12.111 to 6.12.*, inclusive semver
  • unaffected 6.18.53 to 6.18.*, inclusive semver
  • unaffected 7.2 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-97417
CNA
Linux
Tags
Published
24 Sept 2026
Updated
3 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 0.0049, the 42nd percentile, on 12 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 24 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.