{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-39823",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-39823"
  ],
  "published": "2025-09-16T13:00:44Z",
  "summary": "KVM: x86: use array_index_nospec with indices that come from guest",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: use array_index_nospec with indices that come from guest\n\nmin and dest_id are guest-controlled indices. Using array_index_nospec()\nafter the bounds checks clamps these values to mitigate speculative execution\nside-channels.",
  "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": "6.1.150",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-39823"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/72777fc31aa7ab2ce00f44bfa3929c6eabbeaf48"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/31a0ad2f60cb4816e06218b63e695eb72ce74974"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d51e381beed5e2f50f85f49f6c90e023754efa12"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/33e974c2d5a82b2f9d9ba0ad9cbaabc1c8e3985f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f49161646e03d107ce81a99c6ca5da682fe5fb69"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/67a05679621b7f721bdba37a5d18665d3aceb695"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f57a4bd8d6cb5af05b8ac1be9098e249034639fb"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c87bd4dd43a624109c3cc42d843138378a7f4548"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}