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CVE record · CVE-2026-90166

smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()

No CVSS scoreEPSS 0.0021 · 10th 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 e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before d601be98c9445894c759c28d4a7a52151387f1fb git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 5ffd180307a5ea34dae7f90ff9573ebed6b7fb12 git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 4eb74a34ea401abfbbd5991076715dae3de938df git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 8461f27902727ad434375caf13a0100aafc0340f git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 7065d3648b1a48d2c49da3d6364dd3c4d503b10c git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before d2ccf905f47d2344270749f4dfa905afcd3edeb0 git
Other versions: unaffected
Linux Linux
  • affected 5.15
  • unaffected before 5.15 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.160 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-2026-90166
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 0.0021, the 10th 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.