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CVE-2026-64138

🗓️ 19 Jul 2026 15:40:31Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 20 Views

ksmbd fixes owner and group security identifier validation in parent descriptor during ACL inheritance.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64138
19 Jul 202615:40
attackerkb
cvelist
Cvelist
CVE-2026-64138 ksmbd: validate SID in parent security descriptor during ACL inheritance
19 Jul 202615:40
cvelist
debiancve
Debian CVE
CVE-2026-64138
19 Jul 202615:40
debiancve
euvd
EUVD
EUVD-2026-45823
19 Jul 202615:40
euvd
nvd
NVD
CVE-2026-64138
19 Jul 202616:17
nvd
osv
OSV
BELL-CVE-2026-64138
22 Jul 202606:06
osv
osv
OSV
DEBIAN-CVE-2026-64138
19 Jul 202616:17
osv
osv
OSV
ROOT-OS-DEBIAN-12-CVE-2026-64138 CVE-2026-64138 in linux - Patched by Root
6 Aug 202604:58
osv
osv
OSV
ROOT-OS-UBUNTU-2204-CVE-2026-64138 CVE-2026-64138 in linux - Patched by Root
6 Aug 202607:51
osv
osv
OSV
UBUNTU-CVE-2026-64138
20 Jul 202600:00
osv
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.156.12.92
linuxlinux_kernelRange6.13.06.18.34
linuxlinux_kernelRange6.19.07.0.11
linuxlinux_kernelRange7.1.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/smbacl.c"
    ],
    "versions": [
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "f0e5c9c663badc9982e6941322eef1cb17de0f11",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "18d8db24b0a5b7be4829238dd4022236df02d421",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "1c9d0646a9959752f11ca1080dc1ff26bd1756cb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "69f030cf95488ae1186c72ac8c66fd279664ea7f",
        "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/server/smbacl.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:39Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.8
EPSS0.00415
20