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CVE-2026-68086 mm/khugepaged: write all dirty file folios when collapsing

🗓️ 10 Aug 2026 11:51:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

CVE-2026-68086: khugepaged writes back dirty file folios when collapsing to avoid data loss.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/khugepaged.c"
    ],
    "versions": [
      {
        "version": "99cb0dbd47a15d395bf3faa78dc122bc5efe3fc0",
        "lessThan": "2dfe9f5c91d0963058f8a5e46e1c2a908382cc46",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/khugepaged.c"
    ],
    "versions": [
      {
        "version": "5.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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