{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-44947",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-44947"
  ],
  "published": "2024-09-02T17:36:39Z",
  "summary": "fuse: Initialize beyond-EOF page contents before setting uptodate",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfuse: Initialize beyond-EOF page contents before setting uptodate\n\nfuse_notify_store(), unlike fuse_do_readpage(), does not enable page\nzeroing (because it can be used to change partial page contents).\n\nSo fuse_notify_store() must be more careful to fully initialize page\ncontents (including parts of the page that are beyond end-of-file)\nbefore marking the page uptodate.\n\nThe current code can leave beyond-EOF page contents uninitialized, which\nmakes these uninitialized page contents visible to userspace via mmap().\n\nThis is an information leak, but only affects systems which do not\nenable init-on-alloc (via CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y or the\ncorresponding kernel command line parameter).",
  "affected": [
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        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
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        "1:6.6.20-1+rpt1",
        "1:6.6.28-1+rpt1",
        "1:6.6.31-1+rpt1",
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-44947"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/49934861514d36d0995be8e81bb3312a499d8d9a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/33168db352c7b56ae18aa55c2cae1a1c5905d30e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4690e2171f651e2b415e3941ce17f2f7b813aff6"
    },
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      "url": "https://git.kernel.org/stable/c/8c78303eafbf85a728dd84d1750e89240c677dd9"
    },
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      "url": "https://git.kernel.org/stable/c/831433527773e665bdb635ab5783d0b95d1246f4"
    },
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      "url": "https://git.kernel.org/stable/c/ac42e0f0eb66af966015ee33fd355bc6f5d80cd6"
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      "url": "https://git.kernel.org/stable/c/18a067240817bee8a9360539af5d79a4bf5398a5"
    },
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      "type": "FIX",
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    }
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  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
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}