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CVE record · CVE-2026-93785

cifs: validate idmap key payload length

No CVSS scoreEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:02 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 21fed0d5b763b94a7d1568c27d0cce892ab8d43e to before eeac976b74b4f697cfc517187b7cbfd72652dbbc git
  • affected 21fed0d5b763b94a7d1568c27d0cce892ab8d43e to before 125b05ac8ca8758950e4369c1542d57a162f504c git
  • affected 21fed0d5b763b94a7d1568c27d0cce892ab8d43e to before 945f6cde6bcf8f08f6fa5df8882b1b9582e55efa git
  • affected 21fed0d5b763b94a7d1568c27d0cce892ab8d43e to before 3a4a34a732e8a08309eed0a74314dbd9f2f1c972 git
  • affected 21fed0d5b763b94a7d1568c27d0cce892ab8d43e to before 6cfeef221ac00d63c07f6122f58e6159bde69ca0 git
  • affected 21fed0d5b763b94a7d1568c27d0cce892ab8d43e to before 8b12f65d7caf16d124098cb4895a203367d35b57 git
  • affected 21fed0d5b763b94a7d1568c27d0cce892ab8d43e to before 455488cd5054bcc59db40fa1cc2c004031a5b2a5 git
Other versions: unaffected
Linux Linux
  • affected 3.2
  • unaffected before 3.2 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-2026-93785
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

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

  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th 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.