{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-42121",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-42121"
  ],
  "published": "2024-07-30T07:47:52Z",
  "summary": "drm/amd/display: Check index msg_id before read or write",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check index msg_id before read or write\n\n[WHAT]\nmsg_id is used as an array index and it cannot be a negative value, and\ntherefore cannot be equal to MOD_HDCP_MESSAGE_ID_INVALID (-1).\n\n[HOW]\nCheck whether msg_id is valid before reading and setting.\n\nThis fixes 4 OVERRUN issues reported by Coverity.",
  "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": "6.1.98",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-42121"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}