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CVE-2025-39845 x86/mm/64: define ARCH_PAGE_TABLE_SYNC_MASK and arch_sync_kernel_mappings()

🗓️ 19 Sep 2025 15:26:19Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Define ARCH_PAGE_TABLE_SYNC_MASK and arch_sync_kernel_mappings to synchronize kernel page tables and fix boot and vmemmap crashes.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/pgtable_64_types.h",
      "arch/x86/mm/init_64.c"
    ],
    "versions": [
      {
        "version": "8d400913c231bd1da74067255816453f96cd35b0",
        "lessThan": "744ff519c72de31344a627eaf9b24e9595aae554",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8d400913c231bd1da74067255816453f96cd35b0",
        "lessThan": "5f761d40ee95d2624f839c90ebeef2d5c55007f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8d400913c231bd1da74067255816453f96cd35b0",
        "lessThan": "26ff568f390a531d1bd792e49f1a401849921960",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8d400913c231bd1da74067255816453f96cd35b0",
        "lessThan": "b7f4051dd3388edd30e9a6077c05c486aa31e0d4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8d400913c231bd1da74067255816453f96cd35b0",
        "lessThan": "6bf9473727569e8283c1e2445c7ac42cf4fc9fa9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8d400913c231bd1da74067255816453f96cd35b0",
        "lessThan": "6659d027998083fbb6d42a165b0c90dc2e8ba989",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/pgtable_64_types.h",
      "arch/x86/mm/init_64.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.192",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.151",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.105",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.46",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.6",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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