FKIE_CVE-2025-71311

Vulnerability from fkie_nvd - Published: 2026-05-27 14:16 - Updated: 2026-05-27 14:48
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Initialize new folios before use KMSAN reports an uninitialized value in longest_match_std(), invoked from ntfs_compress_write(). When new folios are allocated without being marked uptodate and ni_read_frame() is skipped because the caller expects the frame to be completely overwritten, some reserved folios may remain only partially filled, leaving the rest memory uninitialized.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/41d79f8e2a36622d148719bf7c18b46ac1264284
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a30cc03bde169ad558695b26da6ea7e55f6194a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dd6c81527d097b3b0bf5a15c2fdc9657d045144c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f223ebffa185cc8da934333c5a31ff2d4f992dc9
Impacted products
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Initialize new folios before use\n\nKMSAN reports an uninitialized value in longest_match_std(), invoked\nfrom ntfs_compress_write(). When new folios are allocated without being\nmarked uptodate and ni_read_frame() is skipped because the caller expects\nthe frame to be completely overwritten, some reserved folios may remain\nonly partially filled, leaving the rest memory uninitialized."
    }
  ],
  "id": "CVE-2025-71311",
  "lastModified": "2026-05-27T14:48:31.480",
  "metrics": {},
  "published": "2026-05-27T14:16:43.627",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/41d79f8e2a36622d148719bf7c18b46ac1264284"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5a30cc03bde169ad558695b26da6ea7e55f6194a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/dd6c81527d097b3b0bf5a15c2fdc9657d045144c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f223ebffa185cc8da934333c5a31ff2d4f992dc9"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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