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CVE-2026-89693 nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()

🗓️ 11 Sep 2026 19:46:12Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Linux kernel nfsd silently discards ACL errors in nfsd4_create() proceeding without requested ACL.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/nfs4proc.c"
    ],
    "versions": [
      {
        "version": "c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b",
        "lessThan": "2d8a8ed4f9d8637ef0f18d47d19193e7b780e90e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b",
        "lessThan": "26877d3a09afb3838a053867a655ca30c46a1f81",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b",
        "lessThan": "430ed49a16cf9ca249d0fb51490582090bc4848b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b",
        "lessThan": "80cebb0e8a8d1e758f0d671f5e047279c5c3e528",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c0cbe70742f4a70893cd6e5f6b10b6e89b6db95b",
        "lessThan": "2c7912732184773dbd371a411da87af1cc080b86",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5409ce523af40d5c3019717bc5b4f72038d48be",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d52acd23a327cada5fb597591267cfc09f08bb1d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.220",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.154",
        "lessThan": "5.16",
        "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/nfsd/nfs4proc.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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