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CVE-2026-93816 f2fs: validate inline dentry name lengths before conversion

🗓️ 24 Sep 2026 16:02:53Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

Out-of-bounds read in Linux kernel f2fs due to missing dentry name length validation.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/f2fs/inline.c"
    ],
    "versions": [
      {
        "version": "675f10bde6cc3874632a8f684df2a8a2a8ace76e",
        "lessThan": "6b5552449fc5acb8e6ecf045b46702b29b71165a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675f10bde6cc3874632a8f684df2a8a2a8ace76e",
        "lessThan": "6343208fd73f3f2b8044c0922185cd13ff807693",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675f10bde6cc3874632a8f684df2a8a2a8ace76e",
        "lessThan": "4dd81faa63fd54b9ba1a83c304e6d0bd03f1898d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675f10bde6cc3874632a8f684df2a8a2a8ace76e",
        "lessThan": "aee4e6de71ca77626c006166ff00f1d01ff990c9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675f10bde6cc3874632a8f684df2a8a2a8ace76e",
        "lessThan": "2ce0bc5853bec7cdc724477a87ea579fde664243",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675f10bde6cc3874632a8f684df2a8a2a8ace76e",
        "lessThan": "7caa8a0ae94b132576c2e46e9b4fd4e0f356f373",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675f10bde6cc3874632a8f684df2a8a2a8ace76e",
        "lessThan": "cfcd0e49a178b3dac2c0ece656079081dbf5da74",
        "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/f2fs/inline.c"
    ],
    "versions": [
      {
        "version": "4.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.271",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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03 Oct 2026 10:57Current
CVSS 3.17.1
EPSS0.00131
44