drm/amd/display: Check index msg_id before read or write

{
  "id": "90bb19452b4a120c4892527b479d38452ec4ac1f888c5eb4efe6a731ee826120",
  "url": "https://osv.dev/vulnerability/CVE-2024-42121",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amd/display: Check index msg_id before read or write",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check index msg_id before read or write [WHAT] msg_id is used as an array index and it cannot be a negative value, and therefore cannot be equal to MOD_HDCP_MESSAGE_ID_INVALID (-1). [HOW] Check whether msg_id is valid before reading and setting. This fixes 4 OVERRUN issues reported by Coverity.",
    "evidence": "osv:CVE-2024-42121",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.222",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.163",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.98",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.39",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
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    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-42121",
      "aliases": [
        "CVE-2024-42121"
      ],
      "affected": [
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                  "fixed": "fbb0701af9734cff13917a4b98b5ee9da2fde48d"
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                  "fixed": "9933eca6ada0cd612e19522e7a319bcef464c0eb"
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                  "fixed": "a31ea49dc8064a557565725cf045944307476a6e"
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                {
                  "fixed": "59d99deb330af206a4541db0c4da8f73880fba03"
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42121.json"
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              "type": "ECOSYSTEM",
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                  "introduced": "4.15.0"
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                {
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42121.json"
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        }
      ],
      "modified": "2026-10-28T02:30:41.970099610Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03",
        "https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb",
        "https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e",
        "https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4",
        "https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567",
        "https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42121.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-42121",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42121.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-42121",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 509291,
  "published_at": "2024-07-30T07:46:13.064+00:00"
}