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CVE-2026-53393

🗓️ 19 Jul 2026 12:01:56Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 37 Views

nfsd resets write verifier on deferred writeback errors to fix durability contract.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.10.1245.10.261
linuxlinux_kernelRange5.15.495.15.212
linuxlinux_kernelRange5.176.1.178
linuxlinux_kernelRange6.26.6.145
linuxlinux_kernelRange6.76.12.95
linuxlinux_kernelRange6.136.18.38
linuxlinux_kernelRange6.197.1.3
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfsd/vfs.c"
    ],
    "versions": [
      {
        "version": "f14816f2f928c560d28ba344af689f56efcd6f55",
        "lessThan": "b8e5894e56cff70fa245628fe16f0ad6367f8090",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3145fe0ebb16e1715ad541a301bc6675c8375fcd",
        "lessThan": "bc2baca02ec56da7707a74ed5d340b0a1dff1841",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "555dbf1a9aac6d3150c8b52fa35f768a692f4eeb",
        "lessThan": "43b65d2997963e80e8d8d86520bcb1e0751227de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "555dbf1a9aac6d3150c8b52fa35f768a692f4eeb",
        "lessThan": "666e837b247fcadf2d8d508b9b0e49d720393eb4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "555dbf1a9aac6d3150c8b52fa35f768a692f4eeb",
        "lessThan": "1dd664b39774a9c89b72de8e59bf9ef4b3aaff2e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "555dbf1a9aac6d3150c8b52fa35f768a692f4eeb",
        "lessThan": "4367afc119c51e17a616f6908772b7e2c2c4013f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "555dbf1a9aac6d3150c8b52fa35f768a692f4eeb",
        "lessThan": "b027cca33c97354149fcc0ddeede4525c41093cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "555dbf1a9aac6d3150c8b52fa35f768a692f4eeb",
        "lessThan": "2090b05803faab8a9fa62fbff871007862cac1b7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.124",
        "lessThan": "5.10.261",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.49",
        "lessThan": "5.15.212",
        "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/vfs.c"
    ],
    "versions": [
      {
        "version": "5.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "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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29 Jul 2026 20:33Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.15.5
EPSS0.00134
37