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CVE-2026-89683

🗓️ 11 Sep 2026 19:46:05Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Dentry ref leak in Linux kernel nfsd on V4ROOT export filehandle lookup enabling DoS.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89683 nfsd: fix dentry ref leak on V4ROOT export filehandle lookup
11 Sep 202619:46
cvelist
euvd
EUVD
EUVD-2026-76595
11 Sep 202619:46
euvd
nvd
NVD
CVE-2026-89683
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90399
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89683
11 Sep 202622:37
redhatcve
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.126.12.109
linuxlinux_kernelRange6.13.06.18.50
linuxlinux_kernelRange6.19.07.2.4
linuxlinux_kernelRange7.3.07.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/nfsfh.c"
    ],
    "versions": [
      {
        "version": "ef7f6c4904d03ccd7478e1ac20ed75f79c4ac444",
        "lessThan": "d493cf57f4c4dae5396cd6ad41e5c209d0615a81",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ef7f6c4904d03ccd7478e1ac20ed75f79c4ac444",
        "lessThan": "c1ae0f973bcba5730871e35976a0ab6878fdac34",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ef7f6c4904d03ccd7478e1ac20ed75f79c4ac444",
        "lessThan": "11db8df188b34bdb8c6a3a0bf438e5fc8cd75aca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ef7f6c4904d03ccd7478e1ac20ed75f79c4ac444",
        "lessThan": "6247023fbbec1325029f2d5f2a7cdc0f9f9ea15a",
        "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/nfsfh.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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