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CVE-2026-64181 mm: fix __vm_normal_page() to handle missing support for pmd_special()/pud_special()

🗓️ 19 Jul 2026 15:41:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

CVE-2026-64181 fixes __vm_normal_page on 32-bit THP for missing pmd_special/pud_special support.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/memory.c"
    ],
    "versions": [
      {
        "version": "af38538801c6a97565b44700ee6695d7d60ad779",
        "lessThan": "62153767e8fc3889bc6508e9ffe927aaf64c4334",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af38538801c6a97565b44700ee6695d7d60ad779",
        "lessThan": "9052ea2ee2233be5d4786b8909151ca2bfbedf99",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af38538801c6a97565b44700ee6695d7d60ad779",
        "lessThan": "c0c6ccd9828c3a1950623b546fa57292a77b5c73",
        "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/memory.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:39Current
CVSS 3.17.8
EPSS0.00128
38