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CVE record · CVE-2026-90169

ksmbd: free preauth sessions on connection teardown

No CVSS scoreEPSS 0.0025 · 16th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:06 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 f5a544e3bab78142207e0242d22442db85ba1eff to before 1f60a88b2e0203e50f65b0fb9c32ecb0ae0aa683 git
  • affected f5a544e3bab78142207e0242d22442db85ba1eff to before effcf48d79d8aa53113d8289e140746f25ceb62c git
  • affected f5a544e3bab78142207e0242d22442db85ba1eff to before b62b1ebb25f0a19067ed5b1a86036b2dc98be44f git
  • affected f5a544e3bab78142207e0242d22442db85ba1eff to before a41a98ee16ae038751b6639decadaa3ce15ca18a git
  • affected f5a544e3bab78142207e0242d22442db85ba1eff to before 8e2ebc77678832e981adc008d25cd8f67d08ebc4 git
  • affected f5a544e3bab78142207e0242d22442db85ba1eff to before 06c7b1d731bc105a8644f1b70165ba8b9416cbab git
Other versions: unaffected
Linux Linux
  • affected 5.15
  • unaffected before 5.15 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.157 to 6.6.*, inclusive semver
  • unaffected 6.12.110 to 6.12.*, inclusive semver
  • unaffected 6.18.52 to 6.18.*, inclusive semver
  • unaffected 7.2.6 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-90169
CNA
Linux
Tags
Published
17 Sept 2026
Updated
30 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

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

  • CISA KEV Not listed.
  • EPSS 0.0025, the 16th 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.