{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-31605",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-31605"
  ],
  "published": "2026-04-24T14:43:40Z",
  "summary": "fbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO\n\nMuch like commit 19f953e74356 (\"fbdev: fb_pm2fb: Avoid potential divide\nby zero error\"), we also need to prevent that same crash from happening\nin the udlfb driver as it uses pixclock directly when dividing, which\nwill crash.",
  "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"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v6",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
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            "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"
          },
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            "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-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
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            "binary_version": "1:6.1.47-1+rpt4"
          },
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          },
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            "binary_version": "1:6.1.54-1+rpt2"
          },
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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": "1:6.1.58-1+rpt2"
          },
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            "binary_version": "1:6.1.58-1+rpt2"
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      },
      "database_specific": {
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            "linux_commit": "0afb5e98488aed7017b9bf321b575d0177feb7ed",
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            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.175"
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            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.175"
          },
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            "assessment": "commit ancestry (strak rule)",
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            "compiled_filter": false
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            "assessment": "commit ancestry (strak rule)",
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-31605"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9981de9fb5ae0d3d6bc5ff5ca63350c2a3cdc564"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/fd50ab7dd4ee5bbb4aebffa76ae18484b03a8ea5"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/828ce54b27de93bd9c67991bca5a2c76c76742de"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/cce24f70090e0decb597b88bc52e8ef8efed6105"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/03797cdee38ef19c87785622d423aabaafb71c5f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6de048d78f3029744778b7a2891745f3ca7c209a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/afaaaa38579f1252bb42b145f6e88a955c4f73f3"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a31e4518bec70333a0a98f2946a12b53b45fe5b9"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-06-15T02:03:26Z"
  }
}