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CVE-2026-89706

🗓️ 11 Sep 2026 19:46:22Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Linux kernel nfsd async COPY writeback failure leaves write verifier stale, causing data loss.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89706 nfsd: Reset write verifier when async COPY writeback fails
11 Sep 202619:46
cvelist
euvd
EUVD
EUVD-2026-76618
11 Sep 202619:46
euvd
nvd
NVD
CVE-2026-89706
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90422
11 Sep 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.10.2205.11
OR
linuxlinux_kernelRange5.146.12.109
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/nfs4proc.c"
    ],
    "versions": [
      {
        "version": "eac0b17a77fbd763d305a5eaa4fd1119e5a0fe0d",
        "lessThan": "31d4d0a62ec4bafbcdbad142f11ab1f90794b1d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eac0b17a77fbd763d305a5eaa4fd1119e5a0fe0d",
        "lessThan": "591134e059e3456180244a826d6917cdc183140b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eac0b17a77fbd763d305a5eaa4fd1119e5a0fe0d",
        "lessThan": "bf0cd31a9abcb728c17d79b4c2cc533612a8b6af",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eac0b17a77fbd763d305a5eaa4fd1119e5a0fe0d",
        "lessThan": "f5cb2276954cb80987a93ef9f9dfbfdbfc0f10b9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "817c6eb975798647c4bbbfc9eb288aa413ec7f65",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.220",
        "lessThan": "5.11",
        "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": "5.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.14",
        "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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