CVE record · CVE-2026-90237

netfilter: nft_ct: move custom expectation support to helper

CVSS 7.8 HighEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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 857b46027d6f91150797295752581b7155b9d0e1 to before af3fe52fd108fd38235e4813df62442ed0f1d8ff git
  • affected 857b46027d6f91150797295752581b7155b9d0e1 to before 3679da4ad8be84cddaf40bc307fef1fe13e051ff git
Other versions: unaffected
Linux Linux
  • affected 5.3
  • unaffected before 5.3 semver
  • unaffected 7.2.6 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-90237
CNA
Linux
Published
17 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
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0016, the 5th percentile, on 13 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 17 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.