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CVE record · CVE-2026-98405

smb: client: fix missing iov bounds check in parse_posix_sids()

CVSS 8.1 HighEPSS 0.0048 · 41st percentile

Published by the CVE Program (CNA: Linux) at 14 Oct 2026, 13:27 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 a90f37e3d7acfd9824f162830583bbf7846fe252 to before d91b9a3b2b38e5ac1b51e9e5b23fe53ad7b49644 git
  • affected 858e74876c5cbff1dfd5bace99e32fbce2abd4b5 to before b862996e5105be1293da9cdc85da77b76021c3bd git
  • affected 858e74876c5cbff1dfd5bace99e32fbce2abd4b5 to before 2f8ed71aaaba3bc8b19cd9930cc62e63e142b299 git
  • affected 858e74876c5cbff1dfd5bace99e32fbce2abd4b5 to before eac6917a42899aad0617bbf04798c5dd946a1fe5 git
  • affected 858e74876c5cbff1dfd5bace99e32fbce2abd4b5 to before b09d092eb24ad0110f16a9b7c1ed5d2a0c1733dc git
  • affected 6.6.32 to before 6.6.158 semver
Other versions: unaffected
Linux Linux
  • affected 6.8
  • unaffected before 6.8 semver
  • unaffected 6.6.158 to 6.6.*, inclusive semver
  • unaffected 6.12.112 to 6.12.*, inclusive semver
  • unaffected 6.18.54 to 6.18.*, inclusive semver
  • unaffected 7.2.8 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98405
CNA
Linux
Tags
Published
14 Oct 2026
Updated
24 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
8.1 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0048, the 41st percentile, on 8 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 14 Oct 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.