{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2021-47432",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2021-47432"
  ],
  "published": "2024-05-21T15:34:20Z",
  "summary": "lib/generic-radix-tree.c: Don't overflow in peek()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nlib/generic-radix-tree.c: Don't overflow in peek()\n\nWhen we started spreading new inode numbers throughout most of the 64\nbit inode space, that triggered some corner case bugs, in particular\nsome integer overflows related to the radix tree code. Oops.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.21-1+rpt1",
        "1:6.1.47-1+rpt2",
        "1:6.1.47-1+rpt4",
        "1:6.1.54-1+rpt2",
        "1:6.1.58-1+rpt2",
        "1:6.1.63-1+rpt1"
      ],
      "ecosystem_specific": {
        "binaries": [
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            "binary_name": "linux-image-6.1.0-rpi1-rpi-v6",
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          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v7",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v7l",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v8",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi2-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi2-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt2"
          },
          {
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            "binary_version": "1:6.1.47-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi2-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt2"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
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          },
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            "binary_version": "1:6.1.54-1+rpt2"
          },
          {
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          },
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          },
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            "binary_version": "1:6.1.54-1+rpt2"
          },
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          },
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            "binary_name": "linux-image-6.1.0-rpi6-rpi-2712",
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          },
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          },
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            "binary_version": "1:6.1.63-1+rpt1"
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            "binary_version": "1:6.1.63-1+rpt1"
          },
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            "binary_version": "1:6.1.63-1+rpt1"
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      },
      "database_specific": {
        "per_version": {
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            "linux_commit": "0afb5e98488aed7017b9bf321b575d0177feb7ed",
            "upstream_version": "6.1.21",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.64"
          },
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            "compiled_filter": false
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            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.64"
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            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.64"
          },
          "1:6.1.63-1+rpt1": {
            "linux_commit": null,
            "upstream_version": "6.1.63",
            "assessment": "upstream version (no usable Linux commit)",
            "upstream_fixed": "6.1.64"
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-47432"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/784d01f9bbc282abb0c5ade5beb98a87f50343ac"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ec298b958cb0c40d70c68079da933c8f31c5134c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/aa7f1827953100cdde0795289a80c6c077bfe437"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9492261ff2460252cf2d8de89cdf854c7e2b28a0"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-11T14:19:33Z"
  }
}