{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-31618",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-31618"
  ],
  "published": "2026-04-24T14:43:40Z",
  "summary": "fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: tdfxfb: 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": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "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",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.175",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-31618"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2f207e46c62688bb7eb4e3feaf9a0d94020fb0c9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6c05191598eca87a87329b3f6e4a0825775f09cf"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/59bde9e0930efef1286768cb65fc78d5e5267f93"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/859a239d58a812b61267d9944b701affe6a6244e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/53cb4e79a07124d2ebe502983c29800104080b47"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/fc386daa6846551a88d338ba9864fc2812cd9030"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6567d3e1aaadfebf44ce7dc9ea2630323cd4c736"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/63dfb0b4741f46d65b667c4275132b3d1966acc8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8f98b81fe011e1879e6a7b1247e69e06a5e17af2"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-06-15T02:03:26Z"
  }
}