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CVE record · CVE-2026-89632

smb: client: fix use-before-check of ReparseDataLength in reparse_buf_ptr()

CVSS 8.2 HighEPSS 0.0055 · 46th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 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 a158bb66b1373866d9fd5997565a58a573085539 to before b70bc592afd19732e2e4563300ebe8f974280365 git
  • affected 67ec9949b0dfe78c99e110dd975eb7dc5645630c to before 711cf71300d7992f450600df8864917d3538679f git
  • affected 67ec9949b0dfe78c99e110dd975eb7dc5645630c to before 05f78e6cf34ea3a285053bd5999e08e8ac298bd5 git
  • affected 6.6.32 to before 6.6.160 semver
Other versions: unaffected
Linux Linux
  • affected 6.8
  • unaffected before 6.8 semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 7.2.4 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89632
CNA
Linux
Tags
Published
11 Sept 2026
Updated
21 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
8.2 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0055, the 46th percentile, on 14 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 11 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.