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CVE-2026-31694

🗓️ 01 May 2026 13:53:36Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 80 Views🌐 WEB

Linux kernel fuse bug rejects oversized dirents caused by server namelen, preventing page cache overflow.

Related
Detection
Affected
Refs
Paths
Social
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange4.206.6.136
linuxlinux_kernelRange6.76.12.84
linuxlinux_kernelRange6.136.18.25
linuxlinux_kernelRange6.197.0.2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/fuse/readdir.c"
    ],
    "versions": [
      {
        "version": "27992ef80770d61a57f6c3a551735b08cefdffa3",
        "lessThan": "7de93abfaae1b2dc94da8a07a36421bd073f1d8f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27992ef80770d61a57f6c3a551735b08cefdffa3",
        "lessThan": "474ce83c96a55f2eeb14dee2be375eeadfdacdf5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27992ef80770d61a57f6c3a551735b08cefdffa3",
        "lessThan": "51a8de6c50bf947c8f534cd73da4c8f0a13e7bed",
        "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/fuse/readdir.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.25",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.2",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
namelenpathfs/fuse/readdir.cKernel FUSE readdir cache overflow due to missing bounds check when dirent size exceeds page boundary (namelen=4095 yields 4120-byte dirent that overflows a 4 KiB page).CWE-119

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02 Jul 2026 15:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
EPSS0.00281
80