firmware: arm_scmi: Fix double free in OPTEE transport

{
  "id": "e093a1c813015b2a9d5924c4886746fc7be26d79442ae84c16dfd781256d64cb",
  "url": "https://osv.dev/vulnerability/CVE-2024-49853",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "firmware: arm_scmi: Fix double free in OPTEE transport",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Fix double free in OPTEE transport Channels can be shared between protocols, avoid freeing the same channel descriptors twice when unloading the stack.",
    "evidence": "osv:CVE-2024-49853",
    "products": [
      {
        "name": {
          "value": "Kernel",
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        "prerequisites": [],
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            "evidence": "/affected/1/ranges"
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            "value": "6.10.13",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.11.2",
            "evidence": "/affected/1/ranges"
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    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-49853",
      "aliases": [
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            "ecosystem": "Linux"
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      "modified": "2026-10-28T02:30:49.632185044Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/6699567b0bbb378600a4dc0a1f929439a4e84a2c",
        "https://git.kernel.org/stable/c/aef6ae124bb3cc12e34430fed91fbb7efd7a444d",
        "https://git.kernel.org/stable/c/d7f4fc2bc101e666da649605a9ece2bd42529c7a",
        "https://git.kernel.org/stable/c/dc9543a4f2a5498a4a12d6d2427492a6f1a28056",
        "https://git.kernel.org/stable/c/e98dba934b2fc587eafb83f47ad64d9053b18ae0",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49853.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-49853",
        "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/2024/49xxx/CVE-2024-49853.json"
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    "related_cves": [
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        "value": "CVE-2024-49853",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 517730,
  "published_at": "2024-10-21T12:18:46.093+00:00"
}