CVE-2026-53394 nfsd: avoid leaking pre-allocated openowner on unconfirmed retry race

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/nfs4state.c"
    ],
    "versions": [
      {
        "version": "23df17788c6212809848f836b10c4f85b16843a5",
        "lessThan": "c9aefb2b5f11337c9202c5bd0c45d71198449718",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23df17788c6212809848f836b10c4f85b16843a5",
        "lessThan": "017a6150106b054cc84d1b0582d97bd3a74d4281",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23df17788c6212809848f836b10c4f85b16843a5",
        "lessThan": "a10bf67fe06469a71a401f72f328237345d553c0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23df17788c6212809848f836b10c4f85b16843a5",
        "lessThan": "57aee7a35bb12753057c5b65d72d1f46c0e95b07",
        "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/nfsd/nfs4state.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]