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CVE-2026-89987 mm/huge_memory: transfer the pmd dirty bit to the folio on zap

🗓️ 16 Sep 2026 10:33:02Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Silent data loss in Linux kernel mm/huge_memory when zap_huge_pmd_folio drops pmd dirty bit.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89987
16 Sep 202610:33
cve
debiancve
Debian CVE
CVE-2026-89987
16 Sep 202610:33
debiancve
euvd
EUVD
EUVD-2026-80595
16 Sep 202610:33
euvd
nvd
NVD
CVE-2026-89987
16 Sep 202611:17
nvd
osv
OSV
DEBIAN-CVE-2026-89987
16 Sep 202611:17
osv
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/huge_memory.c"
    ],
    "versions": [
      {
        "version": "b5072380eb619786990cd9eab3ade05d09ccd89e",
        "lessThan": "effe3cc6d4fdd407457eb30f7b0ef094393f0d64",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b5072380eb619786990cd9eab3ade05d09ccd89e",
        "lessThan": "9435cddf1378d149d826bd7bd1448a44bf96868d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b5072380eb619786990cd9eab3ade05d09ccd89e",
        "lessThan": "fe6cf984939d8e12cb33a99673c8d026c5135e68",
        "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/huge_memory.c"
    ],
    "versions": [
      {
        "version": "4.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.5",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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