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CVE-2026-64392 ksmbd: use opener credentials for delete-on-close

🗓️ 25 Jul 2026 08:50:38Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

ksmbd uses opener credentials for delete-on-close to preserve user and group privileges at final close.

Related
Affected
Refs
[
  {
    "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",
      "fs/smb/server/vfs_cache.c"
    ],
    "versions": [
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "f08b3f451f12eee4abd8a5981803bc36db84458b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "18c59109bb6fb816d5102171666f87cf1e29901d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "e72c15085b6d86f45d224d98aa75b5cace4aaab9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "4b7059974549d278e30fe70e2a4e421f9839817d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "52e2f21911158ec961cd5aae19c56460db382af0",
        "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/vfs.c",
      "fs/smb/server/vfs_cache.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "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",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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