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CVE-2026-99242 ntfs: fix race between fallocate and mmap reads

🗓️ 02 Nov 2026 16:06:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Race condition in Linux kernel ntfs fallocate allows reading uninitialized disk data.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ntfs/file.c"
    ],
    "versions": [
      {
        "version": "495e90fa334828d4119061e2726af51d0a0fb4ed",
        "lessThan": "7dd1c2fec6ebdd1a88a02cb58ff515a258eeb327",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "495e90fa334828d4119061e2726af51d0a0fb4ed",
        "lessThan": "67aded1da114dc44808315f249bd9e7e440f799d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ntfs/file.c"
    ],
    "versions": [
      {
        "version": "7.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.14",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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