{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-72238",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-72238"
  ],
  "published": "2026-08-15T06:04:33Z",
  "summary": "x86/boot: Validate console=uart8250 baud rate to fix early boot hang",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/boot: Validate console=uart8250 baud rate to fix early boot hang\n\nWhen the baud rate is empty, 0, invalid, or overflows to 0 when stored\nas an int, the system will hang during early boot because of a division\nby zero in early_serial_init().\n\nFall back to DEFAULT_BAUD when the resulting baud rate is 0 to prevent\nan early system hang.",
  "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": "6.1.178",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-72238"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c1a276a731d02cbb728d0530f327a68728f2d8b0"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/24fbed0a2a45f5f379ef2b53bd2abe58be1142ad"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/efa96a22613b86e05cd81229ce0be411c1a4a79a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9a77a7639dfdc3eca417cd37620ce64da79c80c4"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b4d05032e9af7137eab8f3af2855073f896ca843"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f7c67c97b37c11f2a95c204092fb8159f2779e8f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4dad7e870c7e5178f71b5e1e4f67934b9e8cc207"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ffa0aa5b625fe0bed7463ac613f8b06676ff4542"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-17T05:24:08Z"
  }
}