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CVE-2026-64391

🗓️ 25 Jul 2026 08:50:38Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

The Linux kernel fix makes ksmbd use opener credentials for ADS I/O stored as extended attributes.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-64391 ksmbd: use opener credentials for ADS I/O
25 Jul 202608:50
cvelist
Debian CVE
CVE-2026-64391
25 Jul 202608:50
debiancve
EUVD
EUVD-2026-48935
25 Jul 202608:50
euvd
NVD
CVE-2026-64391
25 Jul 202610:17
nvd
Positive Technologies
PT-2026-64612
25 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange06.12.96
linuxlinux_kernelRange06.18.39
linuxlinux_kernelRange07.1.4
OR
linuxlinux_kernelRange6.12.06.12.96
linuxlinux_kernelRange6.13.06.18.39
linuxlinux_kernelRange6.19.07.1.4
linuxlinux_kernelRange7.2.07.2-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/vfs.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a8f5d39971bbad9340d49cd41b0e2da9452a649d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "2b4592cea214683de0f2ce6f8c22c097fb0ea1ab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "52a56cf53ec834c44ac1b4d16d585f26613ee5ce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "baa5e094886fffa7e6272edcb5e08be5ce28262c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "6.12.96",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.39",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.1.4",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/vfs.c"
    ],
    "versions": [
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "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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