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CVE record · CVE-2026-90156

ksmbd: safely discard unregistered deferred locks

No CVSS scoreEPSS 0.0021 · 11th 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 aaa51ac0d934cb4e2ab96e150fccc934e822009b git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before ecdcfa15b3d799476c685cecd433ebefc93015c8 git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 77413400f083a959724de6f36348c9677ef9873a git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 52b91bc5253bb83665f3ea70565d0b2487dae643 git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before d09af9a35ff7b77a950b507133d9092aadbfeff4 git
  • affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 054bcca4cd9f00719b01f7108b51a2168fb94f15 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 6.12.114 to 6.12.*, inclusive semver
  • unaffected 6.18.57 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-2026-90156
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 11th 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.