{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-39938",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-39938"
  ],
  "published": "2025-10-04T07:33:57Z",
  "summary": "ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed\n\nIf earlier opening of source graph fails (e.g. ADSP rejects due to\nincorrect audioreach topology), the graph is closed and\n\"dai_data->graph[dai->id]\" is assigned NULL.  Preparing the DAI for sink\ngraph continues though and next call to q6apm_lpass_dai_prepare()\nreceives dai_data->graph[dai->id]=NULL leading to NULL pointer\nexception:\n\n  qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd\n  qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1\n  q6apm-lpass-dais 30000000.remoteproc:glink-edge:gpr:service@1:bedais: fail to start APM port 78\n  q6apm-lpass-dais 30000000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC: error at snd_soc_pcm_dai_prepare on TX_CODEC_DMA_TX_3: -22\n  Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a8\n  ...\n  Call trace:\n   q6apm_graph_media_format_pcm+0x48/0x120 (P)\n   q6apm_lpass_dai_prepare+0x110/0x1b4\n   snd_soc_pcm_dai_prepare+0x74/0x108\n   __soc_pcm_prepare+0x44/0x160\n   dpcm_be_dai_prepare+0x124/0x1c0",
  "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": "6.1.154",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-39938"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/01d1ba106c9e02a2e7d41e07be49031a0ff0ecaa"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/411f7d4f7038200cdf6d4f71ee31026ebf2dfedb"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9c534dbfd1726502abcf0bd393a04214f62c050b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/cc336b242ea7e7a09b3ab9f885341455ca0a3bdb"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/68f27f7c7708183e7873c585ded2f1b057ac5b97"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}