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

🗓️ 19 Jul 2026 12:01:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Fix leak in nfsd by reusing pre-allocated openowner on unconfirmed retry to prevent overwriting and leakage.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-53394
19 Jul 202612:01
attackerkb
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1969)
20 Jul 202600:00
nessus
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-2014)
4 Aug 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0916
9 Jul 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-53394
20 Jul 202600:00
nessus
amazon
Amazon
Important: kernel6.18
20 Jul 202600:00
amazon
amazon
Amazon
Important: kernel6.12
4 Aug 202600:00
amazon
cve
CVE
CVE-2026-53394
19 Jul 202612:01
cve
debiancve
Debian CVE
CVE-2026-53394
19 Jul 202612:01
debiancve
euvd
EUVD
EUVD-2026-45516
19 Jul 202612:01
euvd
Rows per page
[
  {
    "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"
      }
    ]
  }
]

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