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CVE-2026-64388 smb/client: fix chown/chgrp with SMB3 POSIX Extensions

🗓️ 25 Jul 2026 08:50:36Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

SMB3 POSIX fix: chown/chgrp apply on mount; previously ignored without ACL or mode flag.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64388
25 Jul 202608:50
attackerkb
cve
CVE
CVE-2026-64388
25 Jul 202608:50
cve
debiancve
Debian CVE
CVE-2026-64388
25 Jul 202608:50
debiancve
euvd
EUVD
EUVD-2026-48932
25 Jul 202608:50
euvd
nvd
NVD
CVE-2026-64388
25 Jul 202610:17
nvd
osv
OSV
BELL-CVE-2026-64388
29 Jul 202606:05
osv
osv
OSV
DEBIAN-CVE-2026-64388
25 Jul 202610:17
osv
osv
OSV
OPENSUSE-SU-2026:11476-1 kernel-devel-7.1.7-1.1 on GA media
9 Aug 202600:00
osv
osv
OSV
ROOT-OS-DEBIAN-12-CVE-2026-64388 CVE-2026-64388 in linux - Patched by Root
6 Aug 202604:58
osv
osv
OSV
ROOT-OS-DEBIAN-13-CVE-2026-64388 CVE-2026-64388 in linux - Patched by Root
7 Aug 202605:12
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/inode.c"
    ],
    "versions": [
      {
        "version": "b326614ea2159ea5c835d320f261d05d080cd201",
        "lessThan": "550cfb8a81181331d4d0f76ab75ee58a0bf41e3e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b326614ea2159ea5c835d320f261d05d080cd201",
        "lessThan": "760ef2c579c2609cf17fb1cd5392f64d42d43d33",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/inode.c"
    ],
    "versions": [
      {
        "version": "4.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:41Current
CVSS 3.17.8
EPSS0.0012
38