CVE record · CVE-2026-97555

smb: client: fix heap overflow in DACL owner/group rewrite

CVSS 8.8 HighEPSS 0.0058 · 48th percentile

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:21 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 bc3e9dd9d104ca1b75644eab87b38ce8a924aef4 to before 4e78b5ff13214353750b87283ff79f62510f5844 git
  • affected bc3e9dd9d104ca1b75644eab87b38ce8a924aef4 to before 63c2fbde15ffc9a0c21adf670c38d028e20fa65c git
  • affected bc3e9dd9d104ca1b75644eab87b38ce8a924aef4 to before d5cea6766ae1868a51c7d17d77d065b4f55c587f git
  • affected bc3e9dd9d104ca1b75644eab87b38ce8a924aef4 to before fb736ab4fb8c4fdb8b2f9ccd3a62e03d11549ca1 git
  • affected bc3e9dd9d104ca1b75644eab87b38ce8a924aef4 to before 7fa84c9ca690643f429ae2709584a47e74b572c9 git
  • affected bc3e9dd9d104ca1b75644eab87b38ce8a924aef4 to before 2a9aee9ef5622d58d8aafaa3263b3ffe70e2d9dd git
  • affected bc3e9dd9d104ca1b75644eab87b38ce8a924aef4 to before 0ee150794c75bcd0be0e24ff3394f433cbae18cc git
Other versions: unaffected
Linux Linux
  • affected 5.12
  • unaffected before 5.12 semver
  • unaffected 5.15.224 to 5.15.*, inclusive semver
  • unaffected 6.1.191 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 7.2.7 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-97555
CNA
Linux
Published
25 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

ScoreRatingCVSSVectorSource
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0058, the 48th 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 25 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.