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CVE-2026-46035 mm/page_alloc: return NULL early from alloc_frozen_pages_nolock() in NMI on UP

🗓️ 27 May 2026 12:56:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Linux kernel CVE-2026-46035: uniprocessor NMI returns NULL early to prevent freelist corruption.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/page_alloc.c"
    ],
    "versions": [
      {
        "version": "d7242af8643409aae32243450341ef25b28d8a8c",
        "lessThan": "05b4ed8bef30bba4f559c8d835e2dd20c48cf8a4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7242af8643409aae32243450341ef25b28d8a8c",
        "lessThan": "a6d57efeaae3f3b3656514f600eac96be713d90e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7242af8643409aae32243450341ef25b28d8a8c",
        "lessThan": "620b46ed6ae17c8438d889c8c0cfddab36a1476c",
        "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/page_alloc.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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